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Finding the Fourth Proportional to 8,794.73, 12,137 and 4,816.21

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Solution

The fourth proportional to 8,794.73, 12,137 and 4,816.21 is: 6,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.73 : 12,137 = 4,816.21 : x
  2. Step 2: Convert to fraction form
    8,794.73/12,137 = 4,816.21/x
  3. Step 3: Cross multiply
    8,794.73x = 12,137 × 4,816.21
  4. Step 4: Simplify right side
    8,794.73x = 58,454,340.77
  5. Step 5: Solve for x
    x = 58,454,340.77/8,794.73
  6. Step 6: Final answer
    x = 6,646.52

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Double scale
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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.