Home / 10,831.45-16,248.26-3,904.33

Finding the Fourth Proportional to 10,831.45, 16,248.26 and 3,904.33

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Solution

The fourth proportional to 10,831.45, 16,248.26 and 3,904.33 is: 5,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.45 : 16,248.26 = 3,904.33 : x
  2. Step 2: Convert to fraction form
    10,831.45/16,248.26 = 3,904.33/x
  3. Step 3: Cross multiply
    10,831.45x = 16,248.26 × 3,904.33
  4. Step 4: Simplify right side
    10,831.45x = 63,438,568.97
  5. Step 5: Solve for x
    x = 63,438,568.97/10,831.45
  6. Step 6: Final answer
    x = 5,856.89

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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.