Home / 10,072.31-15,115.34-3,498.44

Finding the Fourth Proportional to 10,072.31, 15,115.34 and 3,498.44

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Solution

The fourth proportional to 10,072.31, 15,115.34 and 3,498.44 is: 5,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.31 : 15,115.34 = 3,498.44 : x
  2. Step 2: Convert to fraction form
    10,072.31/15,115.34 = 3,498.44/x
  3. Step 3: Cross multiply
    10,072.31x = 15,115.34 × 3,498.44
  4. Step 4: Simplify right side
    10,072.31x = 52,880,043.24
  5. Step 5: Solve for x
    x = 52,880,043.24/10,072.31
  6. Step 6: Final answer
    x = 5,250.04

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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.