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Finding the Fourth Proportional to 9,395.38, 12,941.13 and 8,694.73

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Solution

The fourth proportional to 9,395.38, 12,941.13 and 8,694.73 is: 11,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395.38 : 12,941.13 = 8,694.73 : x
  2. Step 2: Convert to fraction form
    9,395.38/12,941.13 = 8,694.73/x
  3. Step 3: Cross multiply
    9,395.38x = 12,941.13 × 8,694.73
  4. Step 4: Simplify right side
    9,395.38x = 112,519,631.24
  5. Step 5: Solve for x
    x = 112,519,631.24/9,395.38
  6. Step 6: Final answer
    x = 11,976.06

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Double scale
Find fourth proportional to 9,396.38, 12,942.51 and 8,695.73
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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.