Home / 11,663.10-17,494.65-3,872.52

Finding the Fourth Proportional to 11,663.10, 17,494.65 and 3,872.52

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Solution

The fourth proportional to 11,663.10, 17,494.65 and 3,872.52 is: 5,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.10 : 17,494.65 = 3,872.52 : x
  2. Step 2: Convert to fraction form
    11,663.10/17,494.65 = 3,872.52/x
  3. Step 3: Cross multiply
    11,663.10x = 17,494.65 × 3,872.52
  4. Step 4: Simplify right side
    11,663.10x = 67,748,382.02
  5. Step 5: Solve for x
    x = 67,748,382.02/11,663.10
  6. Step 6: Final answer
    x = 5,808.78

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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.