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Finding the Fourth Proportional to 8,773.36, 12,107.09 and 4,794.39

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Solution

The fourth proportional to 8,773.36, 12,107.09 and 4,794.39 is: 6,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.36 : 12,107.09 = 4,794.39 : x
  2. Step 2: Convert to fraction form
    8,773.36/12,107.09 = 4,794.39/x
  3. Step 3: Cross multiply
    8,773.36x = 12,107.09 × 4,794.39
  4. Step 4: Simplify right side
    8,773.36x = 58,046,123.21
  5. Step 5: Solve for x
    x = 58,046,123.21/8,773.36
  6. Step 6: Final answer
    x = 6,616.18

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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.