Home / 12,251.03-16,890.54-7,936.44

Finding the Fourth Proportional to 12,251.03, 16,890.54 and 7,936.44

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Solution

The fourth proportional to 12,251.03, 16,890.54 and 7,936.44 is: 10,942.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.03 : 16,890.54 = 7,936.44 : x
  2. Step 2: Convert to fraction form
    12,251.03/16,890.54 = 7,936.44/x
  3. Step 3: Cross multiply
    12,251.03x = 16,890.54 × 7,936.44
  4. Step 4: Simplify right side
    12,251.03x = 134,050,757.28
  5. Step 5: Solve for x
    x = 134,050,757.28/12,251.03
  6. Step 6: Final answer
    x = 10,942.00

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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.