Menu

English

Recap: Proportions

Part of the Decimals, Percents & Ratios section of Coddy's Pre-Algebra journey. Lesson 51 of 56.

Challenge

Find the missing number n that makes the two ratios on the board equal, then type your claim.

Try it yourself

12/n = 4/7

Solve for n

All lessons in Decimals, Percents & Ratios

1Decimals

Place Value Decimals on the Line Comparing Decimals Rounding Decimals Recap: Decimals

4Dividing Decimals

Dividing by a Decimal Dividing by 10 and 100 Dividing by a Whole Number Unit Price Recap: Dividing

7Percent Problems

Finding the Whole Discounts Tax and Tips Percent Increase Percent Decrease Recap: Percent Problems

10Proportions

Solving a Proportion Cross Products Scale Drawings Percent as a ProportionRecap: Proportions

3Multiplying Decimals

Multiplying Decimals Times 10, 100, 1000 Bigger Products Buying by Weight Recap: Multiplying

6Percent Basics

What Percent Means Percent of a Number Percent as a Decimal What Percent Is It Recap: Percent Basics

9Rates

Unit Rates The Better Buy Speed, Distance, Time Converting Units Recap: Rates