Home / 10,372.89-15,553.07-4,133.86

Finding the Fourth Proportional to 10,372.89, 15,553.07 and 4,133.86

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Solution

The fourth proportional to 10,372.89, 15,553.07 and 4,133.86 is: 6,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.89 : 15,553.07 = 4,133.86 : x
  2. Step 2: Convert to fraction form
    10,372.89/15,553.07 = 4,133.86/x
  3. Step 3: Cross multiply
    10,372.89x = 15,553.07 × 4,133.86
  4. Step 4: Simplify right side
    10,372.89x = 64,294,213.95
  5. Step 5: Solve for x
    x = 64,294,213.95/10,372.89
  6. Step 6: Final answer
    x = 6,198.29

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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.