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Finding the Fourth Proportional to 8,737.15, 13,079.94 and 5,770.12

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Solution

The fourth proportional to 8,737.15, 13,079.94 and 5,770.12 is: 8,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.15 : 13,079.94 = 5,770.12 : x
  2. Step 2: Convert to fraction form
    8,737.15/13,079.94 = 5,770.12/x
  3. Step 3: Cross multiply
    8,737.15x = 13,079.94 × 5,770.12
  4. Step 4: Simplify right side
    8,737.15x = 75,472,823.39
  5. Step 5: Solve for x
    x = 75,472,823.39/8,737.15
  6. Step 6: Final answer
    x = 8,638.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.