Home / 10,108.75-15,160.68-3,086.86

Finding the Fourth Proportional to 10,108.75, 15,160.68 and 3,086.86

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Solution

The fourth proportional to 10,108.75, 15,160.68 and 3,086.86 is: 4,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.75 : 15,160.68 = 3,086.86 : x
  2. Step 2: Convert to fraction form
    10,108.75/15,160.68 = 3,086.86/x
  3. Step 3: Cross multiply
    10,108.75x = 15,160.68 × 3,086.86
  4. Step 4: Simplify right side
    10,108.75x = 46,798,896.66
  5. Step 5: Solve for x
    x = 46,798,896.66/10,108.75
  6. Step 6: Final answer
    x = 4,629.54

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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.