Home / 10,155.30-15,232.38-3,229.26

Finding the Fourth Proportional to 10,155.30, 15,232.38 and 3,229.26

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Solution

The fourth proportional to 10,155.30, 15,232.38 and 3,229.26 is: 4,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.30 : 15,232.38 = 3,229.26 : x
  2. Step 2: Convert to fraction form
    10,155.30/15,232.38 = 3,229.26/x
  3. Step 3: Cross multiply
    10,155.30x = 15,232.38 × 3,229.26
  4. Step 4: Simplify right side
    10,155.30x = 49,189,315.44
  5. Step 5: Solve for x
    x = 49,189,315.44/10,155.30
  6. Step 6: Final answer
    x = 4,843.71

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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.