Home / 10,131.47-15,197.18-2,736.66

Finding the Fourth Proportional to 10,131.47, 15,197.18 and 2,736.66

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Solution

The fourth proportional to 10,131.47, 15,197.18 and 2,736.66 is: 4,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.47 : 15,197.18 = 2,736.66 : x
  2. Step 2: Convert to fraction form
    10,131.47/15,197.18 = 2,736.66/x
  3. Step 3: Cross multiply
    10,131.47x = 15,197.18 × 2,736.66
  4. Step 4: Simplify right side
    10,131.47x = 41,589,500.94
  5. Step 5: Solve for x
    x = 41,589,500.94/10,131.47
  6. Step 6: Final answer
    x = 4,104.98

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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.