Home / 9,175.12-13,762.68-2,249.62

Finding the Fourth Proportional to 9,175.12, 13,762.68 and 2,249.62

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Solution

The fourth proportional to 9,175.12, 13,762.68 and 2,249.62 is: 3,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.12 : 13,762.68 = 2,249.62 : x
  2. Step 2: Convert to fraction form
    9,175.12/13,762.68 = 2,249.62/x
  3. Step 3: Cross multiply
    9,175.12x = 13,762.68 × 2,249.62
  4. Step 4: Simplify right side
    9,175.12x = 30,960,800.18
  5. Step 5: Solve for x
    x = 30,960,800.18/9,175.12
  6. Step 6: Final answer
    x = 3,374.43

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Double scale
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Similar ratio
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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.