Home / 8,141.25-12,212.79-3,461.07

Finding the Fourth Proportional to 8,141.25, 12,212.79 and 3,461.07

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Solution

The fourth proportional to 8,141.25, 12,212.79 and 3,461.07 is: 5,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.25 : 12,212.79 = 3,461.07 : x
  2. Step 2: Convert to fraction form
    8,141.25/12,212.79 = 3,461.07/x
  3. Step 3: Cross multiply
    8,141.25x = 12,212.79 × 3,461.07
  4. Step 4: Simplify right side
    8,141.25x = 42,269,321.09
  5. Step 5: Solve for x
    x = 42,269,321.09/8,141.25
  6. Step 6: Final answer
    x = 5,191.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.