Home / 11,198.44-15,449.70-11,181.16

Finding the Fourth Proportional to 11,198.44, 15,449.70 and 11,181.16

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Solution

The fourth proportional to 11,198.44, 15,449.70 and 11,181.16 is: 15,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.44 : 15,449.70 = 11,181.16 : x
  2. Step 2: Convert to fraction form
    11,198.44/15,449.70 = 11,181.16/x
  3. Step 3: Cross multiply
    11,198.44x = 15,449.70 × 11,181.16
  4. Step 4: Simplify right side
    11,198.44x = 172,745,567.65
  5. Step 5: Solve for x
    x = 172,745,567.65/11,198.44
  6. Step 6: Final answer
    x = 15,425.86

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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.