x:7=12:20

asked by guest
on Oct 21, 2024 at 1:24 am



You asked:

Solve \(x : 7=12 : 20\) for the variable \(x\).

MathBot Answer:

$$\begin{aligned}x &= \frac{21}{5}\end{aligned}$$

Express both ratios as fractions. \[\frac{x}{7} = \frac{12}{20}\]

Cross-multiply and solve for the unknown. $$\begin{aligned}\frac{x}{7} &= \frac{12}{20} \\ 20 x &= 84 \\ x &&= \frac{21}{5} \end{aligned}$$

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