Home / 8,243.75-11,375.64-4,886.02

Finding the Fourth Proportional to 8,243.75, 11,375.64 and 4,886.02

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Solution

The fourth proportional to 8,243.75, 11,375.64 and 4,886.02 is: 6,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.75 : 11,375.64 = 4,886.02 : x
  2. Step 2: Convert to fraction form
    8,243.75/11,375.64 = 4,886.02/x
  3. Step 3: Cross multiply
    8,243.75x = 11,375.64 × 4,886.02
  4. Step 4: Simplify right side
    8,243.75x = 55,581,604.55
  5. Step 5: Solve for x
    x = 55,581,604.55/8,243.75
  6. Step 6: Final answer
    x = 6,742.27

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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.