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Finding the Fourth Proportional to 8,000.60, 11,941.63 and 7,508.12

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Solution

The fourth proportional to 8,000.60, 11,941.63 and 7,508.12 is: 11,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.60 : 11,941.63 = 7,508.12 : x
  2. Step 2: Convert to fraction form
    8,000.60/11,941.63 = 7,508.12/x
  3. Step 3: Cross multiply
    8,000.60x = 11,941.63 × 7,508.12
  4. Step 4: Simplify right side
    8,000.60x = 89,659,191.04
  5. Step 5: Solve for x
    x = 89,659,191.04/8,000.60
  6. Step 6: Final answer
    x = 11,206.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.