Home / 11,902.47-17,831.62-5,972.39

Finding the Fourth Proportional to 11,902.47, 17,831.62 and 5,972.39

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Solution

The fourth proportional to 11,902.47, 17,831.62 and 5,972.39 is: 8,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902.47 : 17,831.62 = 5,972.39 : x
  2. Step 2: Convert to fraction form
    11,902.47/17,831.62 = 5,972.39/x
  3. Step 3: Cross multiply
    11,902.47x = 17,831.62 × 5,972.39
  4. Step 4: Simplify right side
    11,902.47x = 106,497,388.97
  5. Step 5: Solve for x
    x = 106,497,388.97/11,902.47
  6. Step 6: Final answer
    x = 8,947.50

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1.5x scale

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.