Home / 10,117.61-15,183.24-3,543.85

Finding the Fourth Proportional to 10,117.61, 15,183.24 and 3,543.85

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Solution

The fourth proportional to 10,117.61, 15,183.24 and 3,543.85 is: 5,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.61 : 15,183.24 = 3,543.85 : x
  2. Step 2: Convert to fraction form
    10,117.61/15,183.24 = 3,543.85/x
  3. Step 3: Cross multiply
    10,117.61x = 15,183.24 × 3,543.85
  4. Step 4: Simplify right side
    10,117.61x = 53,807,125.07
  5. Step 5: Solve for x
    x = 53,807,125.07/10,117.61
  6. Step 6: Final answer
    x = 5,318.17

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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.