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Pre-algebra

Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff

$Math Studyset 91影视 Explanations$ Math

Common Core Edition 路 183 pages

ISBN: 9780547587776

Chapter 7: Q66. (page 349)

Use equivalent ratios to solve the proportion.
$\frac{11}{13} = \frac{x}{26}$

Short Answer

Expert verified

The solution of proportion $\frac{11}{13} = \frac{x}{26}$ is $x = 22$ .

Step by step solution

01

Step 1. Given Information.

The proportion is $\frac{11}{13} = \frac{x}{26}$ .

02

Step 2. Calculation.

Therefore, the proportion is

$\begin{matrix} \frac{11}{13} = \frac{x}{26} \\ 11 鈰� 26 = 13 鈰� x [crossproduct] \\ 286 = 13 x [multiply] \\ x = \frac{286}{13} [crossproduct] \\ x = 22 [divide] \end{matrix}$

03

Step 3. Conclusion.

The solution of proportion $\frac{11}{13} = \frac{x}{26}$ is $x = 22$ .

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