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Finding the Fourth Proportional to 9,354.55, 13,963.38 and 8,247.41

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Solution

The fourth proportional to 9,354.55, 13,963.38 and 8,247.41 is: 12,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.55 : 13,963.38 = 8,247.41 : x
  2. Step 2: Convert to fraction form
    9,354.55/13,963.38 = 8,247.41/x
  3. Step 3: Cross multiply
    9,354.55x = 13,963.38 × 8,247.41
  4. Step 4: Simplify right side
    9,354.55x = 115,161,719.85
  5. Step 5: Solve for x
    x = 115,161,719.85/9,354.55
  6. Step 6: Final answer
    x = 12,310.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.