Home / 8,932.24-12,327.04-5,156.09

Finding the Fourth Proportional to 8,932.24, 12,327.04 and 5,156.09

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Solution

The fourth proportional to 8,932.24, 12,327.04 and 5,156.09 is: 7,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.24 : 12,327.04 = 5,156.09 : x
  2. Step 2: Convert to fraction form
    8,932.24/12,327.04 = 5,156.09/x
  3. Step 3: Cross multiply
    8,932.24x = 12,327.04 × 5,156.09
  4. Step 4: Simplify right side
    8,932.24x = 63,559,318.71
  5. Step 5: Solve for x
    x = 63,559,318.71/8,932.24
  6. Step 6: Final answer
    x = 7,115.72

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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.