Home / 8,100.60-11,175.54-4,958.61

Finding the Fourth Proportional to 8,100.60, 11,175.54 and 4,958.61

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Solution

The fourth proportional to 8,100.60, 11,175.54 and 4,958.61 is: 6,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.60 : 11,175.54 = 4,958.61 : x
  2. Step 2: Convert to fraction form
    8,100.60/11,175.54 = 4,958.61/x
  3. Step 3: Cross multiply
    8,100.60x = 11,175.54 × 4,958.61
  4. Step 4: Simplify right side
    8,100.60x = 55,415,144.40
  5. Step 5: Solve for x
    x = 55,415,144.40/8,100.60
  6. Step 6: Final answer
    x = 6,840.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.