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Finding the Fourth Proportional to 9,383.64, 12,940.62 and 5,844.36

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Solution

The fourth proportional to 9,383.64, 12,940.62 and 5,844.36 is: 8,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.64 : 12,940.62 = 5,844.36 : x
  2. Step 2: Convert to fraction form
    9,383.64/12,940.62 = 5,844.36/x
  3. Step 3: Cross multiply
    9,383.64x = 12,940.62 × 5,844.36
  4. Step 4: Simplify right side
    9,383.64x = 75,629,641.90
  5. Step 5: Solve for x
    x = 75,629,641.90/9,383.64
  6. Step 6: Final answer
    x = 8,059.73

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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.