Home / 10,317.15-15,481.87-3,743.85

Finding the Fourth Proportional to 10,317.15, 15,481.87 and 3,743.85

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Solution

The fourth proportional to 10,317.15, 15,481.87 and 3,743.85 is: 5,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.15 : 15,481.87 = 3,743.85 : x
  2. Step 2: Convert to fraction form
    10,317.15/15,481.87 = 3,743.85/x
  3. Step 3: Cross multiply
    10,317.15x = 15,481.87 × 3,743.85
  4. Step 4: Simplify right side
    10,317.15x = 57,961,799.00
  5. Step 5: Solve for x
    x = 57,961,799.00/10,317.15
  6. Step 6: Final answer
    x = 5,618.00

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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.