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Finding the Fourth Proportional to 6,369.27, 8,791.11 and 4,248.15

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Solution

The fourth proportional to 6,369.27, 8,791.11 and 4,248.15 is: 5,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.27 : 8,791.11 = 4,248.15 : x
  2. Step 2: Convert to fraction form
    6,369.27/8,791.11 = 4,248.15/x
  3. Step 3: Cross multiply
    6,369.27x = 8,791.11 × 4,248.15
  4. Step 4: Simplify right side
    6,369.27x = 37,345,953.95
  5. Step 5: Solve for x
    x = 37,345,953.95/6,369.27
  6. Step 6: Final answer
    x = 5,863.46

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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.