Home / 7,997.28-11,995.49-2,450.65

Finding the Fourth Proportional to 7,997.28, 11,995.49 and 2,450.65

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Solution

The fourth proportional to 7,997.28, 11,995.49 and 2,450.65 is: 3,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.28 : 11,995.49 = 2,450.65 : x
  2. Step 2: Convert to fraction form
    7,997.28/11,995.49 = 2,450.65/x
  3. Step 3: Cross multiply
    7,997.28x = 11,995.49 × 2,450.65
  4. Step 4: Simplify right side
    7,997.28x = 29,396,695.59
  5. Step 5: Solve for x
    x = 29,396,695.59/7,997.28
  6. Step 6: Final answer
    x = 3,675.83

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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.