Home / 10,261.67-15,395.25-3,687.92

Finding the Fourth Proportional to 10,261.67, 15,395.25 and 3,687.92

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Solution

The fourth proportional to 10,261.67, 15,395.25 and 3,687.92 is: 5,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.67 : 15,395.25 = 3,687.92 : x
  2. Step 2: Convert to fraction form
    10,261.67/15,395.25 = 3,687.92/x
  3. Step 3: Cross multiply
    10,261.67x = 15,395.25 × 3,687.92
  4. Step 4: Simplify right side
    10,261.67x = 56,776,373.40
  5. Step 5: Solve for x
    x = 56,776,373.40/10,261.67
  6. Step 6: Final answer
    x = 5,532.86

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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.