Home / 11,129.22-16,691.70-3,338.03

Finding the Fourth Proportional to 11,129.22, 16,691.70 and 3,338.03

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Solution

The fourth proportional to 11,129.22, 16,691.70 and 3,338.03 is: 5,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.22 : 16,691.70 = 3,338.03 : x
  2. Step 2: Convert to fraction form
    11,129.22/16,691.70 = 3,338.03/x
  3. Step 3: Cross multiply
    11,129.22x = 16,691.70 × 3,338.03
  4. Step 4: Simplify right side
    11,129.22x = 55,717,395.35
  5. Step 5: Solve for x
    x = 55,717,395.35/11,129.22
  6. Step 6: Final answer
    x = 5,006.41

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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.