Identify the relation between each of the given pair on either side of: : and find the missing figure/term. \[\frac{6}{8}:\frac{3}{4}::\frac{6}{24}:?\]

• A.   \[\frac{3}{6}\]   
• B.  \[-\]
• C.   \[\frac{3}{12}\]   
• D.   \[\frac{1}{12}\]