Home / 11,087.26-16,631.04-3,691.72

Finding the Fourth Proportional to 11,087.26, 16,631.04 and 3,691.72

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Solution

The fourth proportional to 11,087.26, 16,631.04 and 3,691.72 is: 5,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.26 : 16,631.04 = 3,691.72 : x
  2. Step 2: Convert to fraction form
    11,087.26/16,631.04 = 3,691.72/x
  3. Step 3: Cross multiply
    11,087.26x = 16,631.04 × 3,691.72
  4. Step 4: Simplify right side
    11,087.26x = 61,397,142.99
  5. Step 5: Solve for x
    x = 61,397,142.99/11,087.26
  6. Step 6: Final answer
    x = 5,537.63

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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.