Home / 11,449.40-17,174.78-3,552.66

Finding the Fourth Proportional to 11,449.40, 17,174.78 and 3,552.66

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Solution

The fourth proportional to 11,449.40, 17,174.78 and 3,552.66 is: 5,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.40 : 17,174.78 = 3,552.66 : x
  2. Step 2: Convert to fraction form
    11,449.40/17,174.78 = 3,552.66/x
  3. Step 3: Cross multiply
    11,449.40x = 17,174.78 × 3,552.66
  4. Step 4: Simplify right side
    11,449.40x = 61,016,153.91
  5. Step 5: Solve for x
    x = 61,016,153.91/11,449.40
  6. Step 6: Final answer
    x = 5,329.20

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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.