Home / 11,132.26-16,700.28-3,739.12

Finding the Fourth Proportional to 11,132.26, 16,700.28 and 3,739.12

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Solution

The fourth proportional to 11,132.26, 16,700.28 and 3,739.12 is: 5,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.26 : 16,700.28 = 3,739.12 : x
  2. Step 2: Convert to fraction form
    11,132.26/16,700.28 = 3,739.12/x
  3. Step 3: Cross multiply
    11,132.26x = 16,700.28 × 3,739.12
  4. Step 4: Simplify right side
    11,132.26x = 62,444,350.95
  5. Step 5: Solve for x
    x = 62,444,350.95/11,132.26
  6. Step 6: Final answer
    x = 5,609.31

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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.