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Finding the Fourth Proportional to 8,813.14, 12,162.13 and 4,834.25

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Solution

The fourth proportional to 8,813.14, 12,162.13 and 4,834.25 is: 6,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.14 : 12,162.13 = 4,834.25 : x
  2. Step 2: Convert to fraction form
    8,813.14/12,162.13 = 4,834.25/x
  3. Step 3: Cross multiply
    8,813.14x = 12,162.13 × 4,834.25
  4. Step 4: Simplify right side
    8,813.14x = 58,794,823.03
  5. Step 5: Solve for x
    x = 58,794,823.03/8,813.14
  6. Step 6: Final answer
    x = 6,671.27

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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.