Home / 11,969.52-16,522.20-8,614.32

Finding the Fourth Proportional to 11,969.52, 16,522.20 and 8,614.32

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Solution

The fourth proportional to 11,969.52, 16,522.20 and 8,614.32 is: 11,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.52 : 16,522.20 = 8,614.32 : x
  2. Step 2: Convert to fraction form
    11,969.52/16,522.20 = 8,614.32/x
  3. Step 3: Cross multiply
    11,969.52x = 16,522.20 × 8,614.32
  4. Step 4: Simplify right side
    11,969.52x = 142,327,517.90
  5. Step 5: Solve for x
    x = 142,327,517.90/11,969.52
  6. Step 6: Final answer
    x = 11,890.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.