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Finding the Fourth Proportional to 10,874.44, 15,013.96 and 8,352.05

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Solution

The fourth proportional to 10,874.44, 15,013.96 and 8,352.05 is: 11,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.44 : 15,013.96 = 8,352.05 : x
  2. Step 2: Convert to fraction form
    10,874.44/15,013.96 = 8,352.05/x
  3. Step 3: Cross multiply
    10,874.44x = 15,013.96 × 8,352.05
  4. Step 4: Simplify right side
    10,874.44x = 125,397,248.67
  5. Step 5: Solve for x
    x = 125,397,248.67/10,874.44
  6. Step 6: Final answer
    x = 11,531.37

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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.