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Finding the Fourth Proportional to 9,245.97, 13,809.92 and 8,367.12

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Solution

The fourth proportional to 9,245.97, 13,809.92 and 8,367.12 is: 12,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.97 : 13,809.92 = 8,367.12 : x
  2. Step 2: Convert to fraction form
    9,245.97/13,809.92 = 8,367.12/x
  3. Step 3: Cross multiply
    9,245.97x = 13,809.92 × 8,367.12
  4. Step 4: Simplify right side
    9,245.97x = 115,549,215.99
  5. Step 5: Solve for x
    x = 115,549,215.99/9,245.97
  6. Step 6: Final answer
    x = 12,497.25

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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.