Home / 11,149.24-15,382.92-6,669.04

Finding the Fourth Proportional to 11,149.24, 15,382.92 and 6,669.04

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Solution

The fourth proportional to 11,149.24, 15,382.92 and 6,669.04 is: 9,201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.24 : 15,382.92 = 6,669.04 : x
  2. Step 2: Convert to fraction form
    11,149.24/15,382.92 = 6,669.04/x
  3. Step 3: Cross multiply
    11,149.24x = 15,382.92 × 6,669.04
  4. Step 4: Simplify right side
    11,149.24x = 102,589,308.80
  5. Step 5: Solve for x
    x = 102,589,308.80/11,149.24
  6. Step 6: Final answer
    x = 9,201.46

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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.