Home / 11,932.52-16,461.18-8,397.68

Finding the Fourth Proportional to 11,932.52, 16,461.18 and 8,397.68

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Solution

The fourth proportional to 11,932.52, 16,461.18 and 8,397.68 is: 11,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.52 : 16,461.18 = 8,397.68 : x
  2. Step 2: Convert to fraction form
    11,932.52/16,461.18 = 8,397.68/x
  3. Step 3: Cross multiply
    11,932.52x = 16,461.18 × 8,397.68
  4. Step 4: Simplify right side
    11,932.52x = 138,235,722.06
  5. Step 5: Solve for x
    x = 138,235,722.06/11,932.52
  6. Step 6: Final answer
    x = 11,584.79

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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.