Home / 11,402.74-17,105.91-3,905.44

Finding the Fourth Proportional to 11,402.74, 17,105.91 and 3,905.44

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Solution

The fourth proportional to 11,402.74, 17,105.91 and 3,905.44 is: 5,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.74 : 17,105.91 = 3,905.44 : x
  2. Step 2: Convert to fraction form
    11,402.74/17,105.91 = 3,905.44/x
  3. Step 3: Cross multiply
    11,402.74x = 17,105.91 × 3,905.44
  4. Step 4: Simplify right side
    11,402.74x = 66,806,105.15
  5. Step 5: Solve for x
    x = 66,806,105.15/11,402.74
  6. Step 6: Final answer
    x = 5,858.78

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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.