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Finding the Fourth Proportional to 8,812.82, 12,161.22 and 4,834.10

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Solution

The fourth proportional to 8,812.82, 12,161.22 and 4,834.10 is: 6,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.82 : 12,161.22 = 4,834.10 : x
  2. Step 2: Convert to fraction form
    8,812.82/12,161.22 = 4,834.10/x
  3. Step 3: Cross multiply
    8,812.82x = 12,161.22 × 4,834.10
  4. Step 4: Simplify right side
    8,812.82x = 58,788,553.60
  5. Step 5: Solve for x
    x = 58,788,553.60/8,812.82
  6. Step 6: Final answer
    x = 6,670.80

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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.