Home / 11,831.24-17,757.80-5,991.95

Finding the Fourth Proportional to 11,831.24, 17,757.80 and 5,991.95

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Solution

The fourth proportional to 11,831.24, 17,757.80 and 5,991.95 is: 8,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.24 : 17,757.80 = 5,991.95 : x
  2. Step 2: Convert to fraction form
    11,831.24/17,757.80 = 5,991.95/x
  3. Step 3: Cross multiply
    11,831.24x = 17,757.80 × 5,991.95
  4. Step 4: Simplify right side
    11,831.24x = 106,403,886.61
  5. Step 5: Solve for x
    x = 106,403,886.61/11,831.24
  6. Step 6: Final answer
    x = 8,993.47

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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.