Home / 10,117.62-15,183.25-3,543.86

Finding the Fourth Proportional to 10,117.62, 15,183.25 and 3,543.86

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Solution

The fourth proportional to 10,117.62, 15,183.25 and 3,543.86 is: 5,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.62 : 15,183.25 = 3,543.86 : x
  2. Step 2: Convert to fraction form
    10,117.62/15,183.25 = 3,543.86/x
  3. Step 3: Cross multiply
    10,117.62x = 15,183.25 × 3,543.86
  4. Step 4: Simplify right side
    10,117.62x = 53,807,341.44
  5. Step 5: Solve for x
    x = 53,807,341.44/10,117.62
  6. Step 6: Final answer
    x = 5,318.18

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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.