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Finding the Fourth Proportional to 8,397.64, 12,600.78 and 6,108.04

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Solution

The fourth proportional to 8,397.64, 12,600.78 and 6,108.04 is: 9,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.64 : 12,600.78 = 6,108.04 : x
  2. Step 2: Convert to fraction form
    8,397.64/12,600.78 = 6,108.04/x
  3. Step 3: Cross multiply
    8,397.64x = 12,600.78 × 6,108.04
  4. Step 4: Simplify right side
    8,397.64x = 76,966,068.27
  5. Step 5: Solve for x
    x = 76,966,068.27/8,397.64
  6. Step 6: Final answer
    x = 9,165.20

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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.