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Finding the Fourth Proportional to 11,737.71, 16,213.57 and 8,748.35

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Solution

The fourth proportional to 11,737.71, 16,213.57 and 8,748.35 is: 12,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737.71 : 16,213.57 = 8,748.35 : x
  2. Step 2: Convert to fraction form
    11,737.71/16,213.57 = 8,748.35/x
  3. Step 3: Cross multiply
    11,737.71x = 16,213.57 × 8,748.35
  4. Step 4: Simplify right side
    11,737.71x = 141,842,034.17
  5. Step 5: Solve for x
    x = 141,842,034.17/11,737.71
  6. Step 6: Final answer
    x = 12,084.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.