No
Explanation
Step 1
simplify the fractions and compare
[tex]\begin{gathered} \frac{4}{7}\rightarrow\frac{4}{7} \\ \frac{12}{71}\rightarrow this\text{ fraction can not be simplied} \end{gathered}[/tex]so, as the simplified fractions are differents , teh ratios are not proportional.
i hope this helps you
