Home / 11,850.45-17,778.15-3,952.65

Finding the Fourth Proportional to 11,850.45, 17,778.15 and 3,952.65

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Solution

The fourth proportional to 11,850.45, 17,778.15 and 3,952.65 is: 5,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.45 : 17,778.15 = 3,952.65 : x
  2. Step 2: Convert to fraction form
    11,850.45/17,778.15 = 3,952.65/x
  3. Step 3: Cross multiply
    11,850.45x = 17,778.15 × 3,952.65
  4. Step 4: Simplify right side
    11,850.45x = 70,270,804.60
  5. Step 5: Solve for x
    x = 70,270,804.60/11,850.45
  6. Step 6: Final answer
    x = 5,929.80

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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.