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Finding the Fourth Proportional to 7,488.60, 11,213.10 and 6,000.90

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Solution

The fourth proportional to 7,488.60, 11,213.10 and 6,000.90 is: 8,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.60 : 11,213.10 = 6,000.90 : x
  2. Step 2: Convert to fraction form
    7,488.60/11,213.10 = 6,000.90/x
  3. Step 3: Cross multiply
    7,488.60x = 11,213.10 × 6,000.90
  4. Step 4: Simplify right side
    7,488.60x = 67,288,691.79
  5. Step 5: Solve for x
    x = 67,288,691.79/7,488.60
  6. Step 6: Final answer
    x = 8,985.48

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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.