Home / 11,137.55-16,708.48-3,742.11

Finding the Fourth Proportional to 11,137.55, 16,708.48 and 3,742.11

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Solution

The fourth proportional to 11,137.55, 16,708.48 and 3,742.11 is: 5,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.55 : 16,708.48 = 3,742.11 : x
  2. Step 2: Convert to fraction form
    11,137.55/16,708.48 = 3,742.11/x
  3. Step 3: Cross multiply
    11,137.55x = 16,708.48 × 3,742.11
  4. Step 4: Simplify right side
    11,137.55x = 62,524,951.38
  5. Step 5: Solve for x
    x = 62,524,951.38/11,137.55
  6. Step 6: Final answer
    x = 5,613.89

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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.