Home / 11,243.80-15,517.38-6,208.48

Finding the Fourth Proportional to 11,243.80, 15,517.38 and 6,208.48

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Solution

The fourth proportional to 11,243.80, 15,517.38 and 6,208.48 is: 8,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.80 : 15,517.38 = 6,208.48 : x
  2. Step 2: Convert to fraction form
    11,243.80/15,517.38 = 6,208.48/x
  3. Step 3: Cross multiply
    11,243.80x = 15,517.38 × 6,208.48
  4. Step 4: Simplify right side
    11,243.80x = 96,339,343.38
  5. Step 5: Solve for x
    x = 96,339,343.38/11,243.80
  6. Step 6: Final answer
    x = 8,568.22

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1.5x scale

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.