Home / 10,481.87-15,725.53-3,086.09

Finding the Fourth Proportional to 10,481.87, 15,725.53 and 3,086.09

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Solution

The fourth proportional to 10,481.87, 15,725.53 and 3,086.09 is: 4,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.87 : 15,725.53 = 3,086.09 : x
  2. Step 2: Convert to fraction form
    10,481.87/15,725.53 = 3,086.09/x
  3. Step 3: Cross multiply
    10,481.87x = 15,725.53 × 3,086.09
  4. Step 4: Simplify right side
    10,481.87x = 48,530,385.08
  5. Step 5: Solve for x
    x = 48,530,385.08/10,481.87
  6. Step 6: Final answer
    x = 4,629.93

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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.