Home / 10,853.28-16,272.36-3,831.66

Finding the Fourth Proportional to 10,853.28, 16,272.36 and 3,831.66

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Solution

The fourth proportional to 10,853.28, 16,272.36 and 3,831.66 is: 5,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.28 : 16,272.36 = 3,831.66 : x
  2. Step 2: Convert to fraction form
    10,853.28/16,272.36 = 3,831.66/x
  3. Step 3: Cross multiply
    10,853.28x = 16,272.36 × 3,831.66
  4. Step 4: Simplify right side
    10,853.28x = 62,350,150.92
  5. Step 5: Solve for x
    x = 62,350,150.92/10,853.28
  6. Step 6: Final answer
    x = 5,744.82

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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.