Home / 10,831.56-16,248.12-5,289.52

Finding the Fourth Proportional to 10,831.56, 16,248.12 and 5,289.52

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Solution

The fourth proportional to 10,831.56, 16,248.12 and 5,289.52 is: 7,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.56 : 16,248.12 = 5,289.52 : x
  2. Step 2: Convert to fraction form
    10,831.56/16,248.12 = 5,289.52/x
  3. Step 3: Cross multiply
    10,831.56x = 16,248.12 × 5,289.52
  4. Step 4: Simplify right side
    10,831.56x = 85,944,755.70
  5. Step 5: Solve for x
    x = 85,944,755.70/10,831.56
  6. Step 6: Final answer
    x = 7,934.66

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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.