Home / 10,531.24-15,797.67-3,135.13

Finding the Fourth Proportional to 10,531.24, 15,797.67 and 3,135.13

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Solution

The fourth proportional to 10,531.24, 15,797.67 and 3,135.13 is: 4,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.24 : 15,797.67 = 3,135.13 : x
  2. Step 2: Convert to fraction form
    10,531.24/15,797.67 = 3,135.13/x
  3. Step 3: Cross multiply
    10,531.24x = 15,797.67 × 3,135.13
  4. Step 4: Simplify right side
    10,531.24x = 49,527,697.90
  5. Step 5: Solve for x
    x = 49,527,697.90/10,531.24
  6. Step 6: Final answer
    x = 4,702.93

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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.