Home / 8,076.41-12,092.59-4,172.61

Finding the Fourth Proportional to 8,076.41, 12,092.59 and 4,172.61

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Solution

The fourth proportional to 8,076.41, 12,092.59 and 4,172.61 is: 6,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.41 : 12,092.59 = 4,172.61 : x
  2. Step 2: Convert to fraction form
    8,076.41/12,092.59 = 4,172.61/x
  3. Step 3: Cross multiply
    8,076.41x = 12,092.59 × 4,172.61
  4. Step 4: Simplify right side
    8,076.41x = 50,457,712.52
  5. Step 5: Solve for x
    x = 50,457,712.52/8,076.41
  6. Step 6: Final answer
    x = 6,247.54

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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.