Home / 10,161.41-15,242.10-4,313.91

Finding the Fourth Proportional to 10,161.41, 15,242.10 and 4,313.91

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Solution

The fourth proportional to 10,161.41, 15,242.10 and 4,313.91 is: 6,470.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.41 : 15,242.10 = 4,313.91 : x
  2. Step 2: Convert to fraction form
    10,161.41/15,242.10 = 4,313.91/x
  3. Step 3: Cross multiply
    10,161.41x = 15,242.10 × 4,313.91
  4. Step 4: Simplify right side
    10,161.41x = 65,753,047.61
  5. Step 5: Solve for x
    x = 65,753,047.61/10,161.41
  6. Step 6: Final answer
    x = 6,470.86

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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.