Home / 8,731.53-13,096.92-3,801.15

Finding the Fourth Proportional to 8,731.53, 13,096.92 and 3,801.15

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Solution

The fourth proportional to 8,731.53, 13,096.92 and 3,801.15 is: 5,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.53 : 13,096.92 = 3,801.15 : x
  2. Step 2: Convert to fraction form
    8,731.53/13,096.92 = 3,801.15/x
  3. Step 3: Cross multiply
    8,731.53x = 13,096.92 × 3,801.15
  4. Step 4: Simplify right side
    8,731.53x = 49,783,357.46
  5. Step 5: Solve for x
    x = 49,783,357.46/8,731.53
  6. Step 6: Final answer
    x = 5,701.56

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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.