Home / 10,001.71-15,003.33-3,427.85

Finding the Fourth Proportional to 10,001.71, 15,003.33 and 3,427.85

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Solution

The fourth proportional to 10,001.71, 15,003.33 and 3,427.85 is: 5,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.71 : 15,003.33 = 3,427.85 : x
  2. Step 2: Convert to fraction form
    10,001.71/15,003.33 = 3,427.85/x
  3. Step 3: Cross multiply
    10,001.71x = 15,003.33 × 3,427.85
  4. Step 4: Simplify right side
    10,001.71x = 51,429,189.39
  5. Step 5: Solve for x
    x = 51,429,189.39/10,001.71
  6. Step 6: Final answer
    x = 5,142.04

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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.