Home / 11,422.22-17,121.66-6,481.42

Finding the Fourth Proportional to 11,422.22, 17,121.66 and 6,481.42

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Solution

The fourth proportional to 11,422.22, 17,121.66 and 6,481.42 is: 9,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.22 : 17,121.66 = 6,481.42 : x
  2. Step 2: Convert to fraction form
    11,422.22/17,121.66 = 6,481.42/x
  3. Step 3: Cross multiply
    11,422.22x = 17,121.66 × 6,481.42
  4. Step 4: Simplify right side
    11,422.22x = 110,972,669.56
  5. Step 5: Solve for x
    x = 110,972,669.56/11,422.22
  6. Step 6: Final answer
    x = 9,715.51

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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.