Kk tolong kk bsk dikumpul jawabnya pakai jalan yh kk Mksh yh kk... ^_^

[tex] \frac{6}{4} = \frac{9}{a} \\ 6a = 36 \\ a = 6[/tex]
maaf kalau salah, semoga membantu ^_^

[tex] \frac{4}{6} = \frac{a}{9 } \\ a = \frac{9 \times 4}{6} \\ a = 6[/tex]
maaf kalau salah ya