Home / 8,072.60-12,091.88-3,693.74

Finding the Fourth Proportional to 8,072.60, 12,091.88 and 3,693.74

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Solution

The fourth proportional to 8,072.60, 12,091.88 and 3,693.74 is: 5,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.60 : 12,091.88 = 3,693.74 : x
  2. Step 2: Convert to fraction form
    8,072.60/12,091.88 = 3,693.74/x
  3. Step 3: Cross multiply
    8,072.60x = 12,091.88 × 3,693.74
  4. Step 4: Simplify right side
    8,072.60x = 44,664,260.83
  5. Step 5: Solve for x
    x = 44,664,260.83/8,072.60
  6. Step 6: Final answer
    x = 5,532.82

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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.