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Finding the Fourth Proportional to 9,394.11, 12,929.36 and 8,052.75

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Solution

The fourth proportional to 9,394.11, 12,929.36 and 8,052.75 is: 11,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.11 : 12,929.36 = 8,052.75 : x
  2. Step 2: Convert to fraction form
    9,394.11/12,929.36 = 8,052.75/x
  3. Step 3: Cross multiply
    9,394.11x = 12,929.36 × 8,052.75
  4. Step 4: Simplify right side
    9,394.11x = 104,116,863.48
  5. Step 5: Solve for x
    x = 104,116,863.48/9,394.11
  6. Step 6: Final answer
    x = 11,083.21

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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.