Home / 7,936.10-11,905.04-3,255.92

Finding the Fourth Proportional to 7,936.10, 11,905.04 and 3,255.92

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Solution

The fourth proportional to 7,936.10, 11,905.04 and 3,255.92 is: 4,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.10 : 11,905.04 = 3,255.92 : x
  2. Step 2: Convert to fraction form
    7,936.10/11,905.04 = 3,255.92/x
  3. Step 3: Cross multiply
    7,936.10x = 11,905.04 × 3,255.92
  4. Step 4: Simplify right side
    7,936.10x = 38,761,857.84
  5. Step 5: Solve for x
    x = 38,761,857.84/7,936.10
  6. Step 6: Final answer
    x = 4,884.25

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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.