Home / 11,750.20-17,625.30-10,972.60

Finding the Fourth Proportional to 11,750.20, 17,625.30 and 10,972.60

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Solution

The fourth proportional to 11,750.20, 17,625.30 and 10,972.60 is: 16,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.20 : 17,625.30 = 10,972.60 : x
  2. Step 2: Convert to fraction form
    11,750.20/17,625.30 = 10,972.60/x
  3. Step 3: Cross multiply
    11,750.20x = 17,625.30 × 10,972.60
  4. Step 4: Simplify right side
    11,750.20x = 193,395,366.78
  5. Step 5: Solve for x
    x = 193,395,366.78/11,750.20
  6. Step 6: Final answer
    x = 16,458.90

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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.