Home / 10,147.88-15,224.24-3,222.38

Finding the Fourth Proportional to 10,147.88, 15,224.24 and 3,222.38

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Solution

The fourth proportional to 10,147.88, 15,224.24 and 3,222.38 is: 4,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.88 : 15,224.24 = 3,222.38 : x
  2. Step 2: Convert to fraction form
    10,147.88/15,224.24 = 3,222.38/x
  3. Step 3: Cross multiply
    10,147.88x = 15,224.24 × 3,222.38
  4. Step 4: Simplify right side
    10,147.88x = 49,058,286.49
  5. Step 5: Solve for x
    x = 49,058,286.49/10,147.88
  6. Step 6: Final answer
    x = 4,834.34

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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.