Home / 10,359.90-15,517.17-10,131.62

Finding the Fourth Proportional to 10,359.90, 15,517.17 and 10,131.62

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Solution

The fourth proportional to 10,359.90, 15,517.17 and 10,131.62 is: 15,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.90 : 15,517.17 = 10,131.62 : x
  2. Step 2: Convert to fraction form
    10,359.90/15,517.17 = 10,131.62/x
  3. Step 3: Cross multiply
    10,359.90x = 15,517.17 × 10,131.62
  4. Step 4: Simplify right side
    10,359.90x = 157,213,992.33
  5. Step 5: Solve for x
    x = 157,213,992.33/10,359.90
  6. Step 6: Final answer
    x = 15,175.24

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1.5x scale

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.