Home / 12,375.46-18,564.07-4,979.96

Finding the Fourth Proportional to 12,375.46, 18,564.07 and 4,979.96

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Solution

The fourth proportional to 12,375.46, 18,564.07 and 4,979.96 is: 7,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.46 : 18,564.07 = 4,979.96 : x
  2. Step 2: Convert to fraction form
    12,375.46/18,564.07 = 4,979.96/x
  3. Step 3: Cross multiply
    12,375.46x = 18,564.07 × 4,979.96
  4. Step 4: Simplify right side
    12,375.46x = 92,448,326.04
  5. Step 5: Solve for x
    x = 92,448,326.04/12,375.46
  6. Step 6: Final answer
    x = 7,470.29

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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.