Home / 10,115.27-15,173.82-3,449.51

Finding the Fourth Proportional to 10,115.27, 15,173.82 and 3,449.51

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Solution

The fourth proportional to 10,115.27, 15,173.82 and 3,449.51 is: 5,174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.27 : 15,173.82 = 3,449.51 : x
  2. Step 2: Convert to fraction form
    10,115.27/15,173.82 = 3,449.51/x
  3. Step 3: Cross multiply
    10,115.27x = 15,173.82 × 3,449.51
  4. Step 4: Simplify right side
    10,115.27x = 52,342,226.58
  5. Step 5: Solve for x
    x = 52,342,226.58/10,115.27
  6. Step 6: Final answer
    x = 5,174.58

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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.