Home / 10,831.78-16,249.21-3,335.97

Finding the Fourth Proportional to 10,831.78, 16,249.21 and 3,335.97

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Solution

The fourth proportional to 10,831.78, 16,249.21 and 3,335.97 is: 5,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.78 : 16,249.21 = 3,335.97 : x
  2. Step 2: Convert to fraction form
    10,831.78/16,249.21 = 3,335.97/x
  3. Step 3: Cross multiply
    10,831.78x = 16,249.21 × 3,335.97
  4. Step 4: Simplify right side
    10,831.78x = 54,206,877.08
  5. Step 5: Solve for x
    x = 54,206,877.08/10,831.78
  6. Step 6: Final answer
    x = 5,004.43

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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.