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Finding the Fourth Proportional to 9,794.94, 13,517.11 and 5,318.72

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Solution

The fourth proportional to 9,794.94, 13,517.11 and 5,318.72 is: 7,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,794.94 : 13,517.11 = 5,318.72 : x
  2. Step 2: Convert to fraction form
    9,794.94/13,517.11 = 5,318.72/x
  3. Step 3: Cross multiply
    9,794.94x = 13,517.11 × 5,318.72
  4. Step 4: Simplify right side
    9,794.94x = 71,893,723.30
  5. Step 5: Solve for x
    x = 71,893,723.30/9,794.94
  6. Step 6: Final answer
    x = 7,339.88

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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.