Home / 11,139.76-16,711.08-3,741.04

Finding the Fourth Proportional to 11,139.76, 16,711.08 and 3,741.04

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Solution

The fourth proportional to 11,139.76, 16,711.08 and 3,741.04 is: 5,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139.76 : 16,711.08 = 3,741.04 : x
  2. Step 2: Convert to fraction form
    11,139.76/16,711.08 = 3,741.04/x
  3. Step 3: Cross multiply
    11,139.76x = 16,711.08 × 3,741.04
  4. Step 4: Simplify right side
    11,139.76x = 62,516,818.72
  5. Step 5: Solve for x
    x = 62,516,818.72/11,139.76
  6. Step 6: Final answer
    x = 5,612.04

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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.