Home / 10,261.12-15,391.68-2,469.94

Finding the Fourth Proportional to 10,261.12, 15,391.68 and 2,469.94

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Solution

The fourth proportional to 10,261.12, 15,391.68 and 2,469.94 is: 3,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.12 : 15,391.68 = 2,469.94 : x
  2. Step 2: Convert to fraction form
    10,261.12/15,391.68 = 2,469.94/x
  3. Step 3: Cross multiply
    10,261.12x = 15,391.68 × 2,469.94
  4. Step 4: Simplify right side
    10,261.12x = 38,016,526.10
  5. Step 5: Solve for x
    x = 38,016,526.10/10,261.12
  6. Step 6: Final answer
    x = 3,704.91

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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.