Home / 11,906.18-17,862.76-5,330.90

Finding the Fourth Proportional to 11,906.18, 17,862.76 and 5,330.90

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Solution

The fourth proportional to 11,906.18, 17,862.76 and 5,330.90 is: 7,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.18 : 17,862.76 = 5,330.90 : x
  2. Step 2: Convert to fraction form
    11,906.18/17,862.76 = 5,330.90/x
  3. Step 3: Cross multiply
    11,906.18x = 17,862.76 × 5,330.90
  4. Step 4: Simplify right side
    11,906.18x = 95,224,587.28
  5. Step 5: Solve for x
    x = 95,224,587.28/11,906.18
  6. Step 6: Final answer
    x = 7,997.91

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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.