Home / 10,250.75-15,382.61-5,876.75

Finding the Fourth Proportional to 10,250.75, 15,382.61 and 5,876.75

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Solution

The fourth proportional to 10,250.75, 15,382.61 and 5,876.75 is: 8,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.75 : 15,382.61 = 5,876.75 : x
  2. Step 2: Convert to fraction form
    10,250.75/15,382.61 = 5,876.75/x
  3. Step 3: Cross multiply
    10,250.75x = 15,382.61 × 5,876.75
  4. Step 4: Simplify right side
    10,250.75x = 90,399,784.43
  5. Step 5: Solve for x
    x = 90,399,784.43/10,250.75
  6. Step 6: Final answer
    x = 8,818.84

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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.