Home / 10,250.07-15,375.10-7,913.48

Finding the Fourth Proportional to 10,250.07, 15,375.10 and 7,913.48

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Solution

The fourth proportional to 10,250.07, 15,375.10 and 7,913.48 is: 11,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.07 : 15,375.10 = 7,913.48 : x
  2. Step 2: Convert to fraction form
    10,250.07/15,375.10 = 7,913.48/x
  3. Step 3: Cross multiply
    10,250.07x = 15,375.10 × 7,913.48
  4. Step 4: Simplify right side
    10,250.07x = 121,670,546.35
  5. Step 5: Solve for x
    x = 121,670,546.35/10,250.07
  6. Step 6: Final answer
    x = 11,870.22

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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.