Home / 12,351.25-18,532.01-4,960.95

Finding the Fourth Proportional to 12,351.25, 18,532.01 and 4,960.95

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Solution

The fourth proportional to 12,351.25, 18,532.01 and 4,960.95 is: 7,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.25 : 18,532.01 = 4,960.95 : x
  2. Step 2: Convert to fraction form
    12,351.25/18,532.01 = 4,960.95/x
  3. Step 3: Cross multiply
    12,351.25x = 18,532.01 × 4,960.95
  4. Step 4: Simplify right side
    12,351.25x = 91,936,375.01
  5. Step 5: Solve for x
    x = 91,936,375.01/12,351.25
  6. Step 6: Final answer
    x = 7,443.49

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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.