Home / 8,243.36-11,375.88-4,517.36

Finding the Fourth Proportional to 8,243.36, 11,375.88 and 4,517.36

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Solution

The fourth proportional to 8,243.36, 11,375.88 and 4,517.36 is: 6,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.36 : 11,375.88 = 4,517.36 : x
  2. Step 2: Convert to fraction form
    8,243.36/11,375.88 = 4,517.36/x
  3. Step 3: Cross multiply
    8,243.36x = 11,375.88 × 4,517.36
  4. Step 4: Simplify right side
    8,243.36x = 51,388,945.28
  5. Step 5: Solve for x
    x = 51,388,945.28/8,243.36
  6. Step 6: Final answer
    x = 6,233.98

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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.