Home / 12,427.17-17,149.42-7,050.65

Finding the Fourth Proportional to 12,427.17, 17,149.42 and 7,050.65

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Solution

The fourth proportional to 12,427.17, 17,149.42 and 7,050.65 is: 9,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.17 : 17,149.42 = 7,050.65 : x
  2. Step 2: Convert to fraction form
    12,427.17/17,149.42 = 7,050.65/x
  3. Step 3: Cross multiply
    12,427.17x = 17,149.42 × 7,050.65
  4. Step 4: Simplify right side
    12,427.17x = 120,914,481.19
  5. Step 5: Solve for x
    x = 120,914,481.19/12,427.17
  6. Step 6: Final answer
    x = 9,729.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.