Home / 11,690.11-17,562.30-11,060.74

Finding the Fourth Proportional to 11,690.11, 17,562.30 and 11,060.74

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Solution

The fourth proportional to 11,690.11, 17,562.30 and 11,060.74 is: 16,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.11 : 17,562.30 = 11,060.74 : x
  2. Step 2: Convert to fraction form
    11,690.11/17,562.30 = 11,060.74/x
  3. Step 3: Cross multiply
    11,690.11x = 17,562.30 × 11,060.74
  4. Step 4: Simplify right side
    11,690.11x = 194,252,034.10
  5. Step 5: Solve for x
    x = 194,252,034.10/11,690.11
  6. Step 6: Final answer
    x = 16,616.78

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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.