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Finding the Fourth Proportional to 7,632.64, 11,476.68 and 7,023.61

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Solution

The fourth proportional to 7,632.64, 11,476.68 and 7,023.61 is: 10,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.64 : 11,476.68 = 7,023.61 : x
  2. Step 2: Convert to fraction form
    7,632.64/11,476.68 = 7,023.61/x
  3. Step 3: Cross multiply
    7,632.64x = 11,476.68 × 7,023.61
  4. Step 4: Simplify right side
    7,632.64x = 80,607,724.41
  5. Step 5: Solve for x
    x = 80,607,724.41/7,632.64
  6. Step 6: Final answer
    x = 10,560.92

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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.