Home / 11,906.75-17,859.41-5,331.17

Finding the Fourth Proportional to 11,906.75, 17,859.41 and 5,331.17

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Solution

The fourth proportional to 11,906.75, 17,859.41 and 5,331.17 is: 7,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.75 : 17,859.41 = 5,331.17 : x
  2. Step 2: Convert to fraction form
    11,906.75/17,859.41 = 5,331.17/x
  3. Step 3: Cross multiply
    11,906.75x = 17,859.41 × 5,331.17
  4. Step 4: Simplify right side
    11,906.75x = 95,211,434.86
  5. Step 5: Solve for x
    x = 95,211,434.86/11,906.75
  6. Step 6: Final answer
    x = 7,996.43

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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.