Home / 10,080.70-15,115.14-3,058.60

Finding the Fourth Proportional to 10,080.70, 15,115.14 and 3,058.60

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Solution

The fourth proportional to 10,080.70, 15,115.14 and 3,058.60 is: 4,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.70 : 15,115.14 = 3,058.60 : x
  2. Step 2: Convert to fraction form
    10,080.70/15,115.14 = 3,058.60/x
  3. Step 3: Cross multiply
    10,080.70x = 15,115.14 × 3,058.60
  4. Step 4: Simplify right side
    10,080.70x = 46,231,167.20
  5. Step 5: Solve for x
    x = 46,231,167.20/10,080.70
  6. Step 6: Final answer
    x = 4,586.11

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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.