Home / 11,831.76-17,747.64-4,040.64

Finding the Fourth Proportional to 11,831.76, 17,747.64 and 4,040.64

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Solution

The fourth proportional to 11,831.76, 17,747.64 and 4,040.64 is: 6,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.76 : 17,747.64 = 4,040.64 : x
  2. Step 2: Convert to fraction form
    11,831.76/17,747.64 = 4,040.64/x
  3. Step 3: Cross multiply
    11,831.76x = 17,747.64 × 4,040.64
  4. Step 4: Simplify right side
    11,831.76x = 71,711,824.09
  5. Step 5: Solve for x
    x = 71,711,824.09/11,831.76
  6. Step 6: Final answer
    x = 6,060.96

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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.