Proportions — Definition & Examples
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- What are Ratios and Proportions? A ratio is one thing compared to or related to another thing; it is just a statement or an expression. A proportion is two ratios that have been…
By Iris, Alex Federspiel, Christine, Jonathan Heller, Caroline K, Joshua Siktar
- (Video) Proportions by mathman1024 This video by mathman1024 explains proportions. Summary\large{\text{Summary}}Summary A proportion is a pair of two equal fractions. This can b…
By Alex Federspiel, Amy Feraco, Jonathan Heller, Caroline K, Joshua Siktar
- Proportions (Here is a refresher on ratios if you need it!) Examples of Proportions wx=yz12=243224=43\begin{align} \dfrac{w}{x}&=\dfrac{y}{z}\\ \\ \dfrac{1}{2}&=\dfrac{2}{4}\\ \…
By Caroline K, Alex Federspiel, Jonathan Heller, Joshua Siktar
Problems 20
- Solve the following equation: 36=39x\frac{3}{6}=\frac{39}{x}63=x39 Write in the value of xxx.
- Solve for xxx in the equation 43000=9x\frac 4{3000} = \frac 9x30004=x9 What is the value of xxx?
- If 2x=5100\frac{2}{x} = \frac{5}{100}x2=1005, find the value of xxx.
- Solve for xxx in the equation x81=3162\frac{x}{81}=\frac{3}{162}81x=1623.
- A large roomful of people divides into teams of size 222 or 333 each for a project. Midway through, they go outside for a break. While outside, you survey them (not knowing who …
- Solve for the unknown number: 35=x4\frac{3}{5} = \frac{x}{4}53=4x
- Julien recently got into woodworking and made a mini model of the wardrobe in his room. The mini wardrobe retains the same width-height ratio as the original one. Julien wants t…
- Is the proportion of orange scones the same in each box?
- To make a tomato soup base, I usually do 111-part tomato paste, 222-parts chicken stock and 444-parts water. If I am using 444 cups of chicken stock, how much tomato paste and w…
- Lee and Yuya are planning for a weekend trip to visit their friend. Yuya's car runs on 222222 miles per gallon. The trip is roughly 300300300 miles. Around how many gallons of g…
- Out of the 101010 macaroons Jenny bought, 333 of them were fruit-flavored. Lexie is only buying 333 macaroons and she wants the amount of fruit-flavored macaroons to be proporti…
- Dalia and Elise each made some homemade hot chocolate for a get-together. Dalia made enough for around 404040 ounces and Elise made around 606060 ounces. Dalia used 222 tablespo…
- A 222 liter jug of lemonade has 0.50.50.5 liter of real lemon juice. Is this jug of lemonade up to Sasha's standards?
- Consider the equation below: 39=1030\dfrac{3}{9} = \dfrac{10}{30}93=3010 Is this an example of a proportion?
- Find xxx below, if kkk is a nonzero constant. 3k5=xk10\frac{3k}{5} = \frac{xk}{10}53k=10xk (Hint: Treat kkk like a number.)
- Tanvi has 300300300 Jelly Beans, 505050 of which are red. Alex has 242424 stickers, 444 of which are red. Is the ratio of red stickers to the total number of stickers equal to t…
- 303030 years into the future you are incredibly rich and you decide that you are going to buy the entirety of Ferrari's racing team, but you have some hangups about the consiste…
- I want at least 25\frac{2}{5}52 of my wardrobe to consist of Expii shirts. I currently have 434343 shirts, of which, 333 are Expii shirts. Assuming I want to keep my total of 4…
- Annie is trying to write down all 505050 states in the United States of America. So far, she has 131313 states. How many more states does she need to name for her to have writte…
- When is the following a valid proportion? 1x=1y\frac{1}{x}=\frac{1}{y}x1=y1