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Finding the Fourth Proportional to 9,264.39, 12,792.22 and 8,555.97

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Solution

The fourth proportional to 9,264.39, 12,792.22 and 8,555.97 is: 11,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264.39 : 12,792.22 = 8,555.97 : x
  2. Step 2: Convert to fraction form
    9,264.39/12,792.22 = 8,555.97/x
  3. Step 3: Cross multiply
    9,264.39x = 12,792.22 × 8,555.97
  4. Step 4: Simplify right side
    9,264.39x = 109,449,853.31
  5. Step 5: Solve for x
    x = 109,449,853.31/9,264.39
  6. Step 6: Final answer
    x = 11,814.04

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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.