Home / 10,250.51-15,375.79-3,231.18

Finding the Fourth Proportional to 10,250.51, 15,375.79 and 3,231.18

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Solution

The fourth proportional to 10,250.51, 15,375.79 and 3,231.18 is: 4,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.51 : 15,375.79 = 3,231.18 : x
  2. Step 2: Convert to fraction form
    10,250.51/15,375.79 = 3,231.18/x
  3. Step 3: Cross multiply
    10,250.51x = 15,375.79 × 3,231.18
  4. Step 4: Simplify right side
    10,250.51x = 49,681,945.13
  5. Step 5: Solve for x
    x = 49,681,945.13/10,250.51
  6. Step 6: Final answer
    x = 4,846.78

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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.