Finding the Fourth Proportional to 10,912, 16,368 and 3,616
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Solution
The fourth proportional to 10,912, 16,368 and 3,616 is: 5,424
Step by Step Solution
- Step 1: Write the proportion equation
10,912 : 16,368 = 3,616 : x - Step 2: Convert to fraction form
10,912/16,368 = 3,616/x - Step 3: Cross multiply
10,912x = 16,368 × 3,616 - Step 4: Simplify right side
10,912x = 59,186,688 - Step 5: Solve for x
x = 59,186,688/10,912 - Step 6: Final answer
x = 5,424
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.