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Finding the Fourth Proportional to 8,813.24, 12,162.29 and 4,834.39

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Solution

The fourth proportional to 8,813.24, 12,162.29 and 4,834.39 is: 6,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.24 : 12,162.29 = 4,834.39 : x
  2. Step 2: Convert to fraction form
    8,813.24/12,162.29 = 4,834.39/x
  3. Step 3: Cross multiply
    8,813.24x = 12,162.29 × 4,834.39
  4. Step 4: Simplify right side
    8,813.24x = 58,797,253.15
  5. Step 5: Solve for x
    x = 58,797,253.15/8,813.24
  6. Step 6: Final answer
    x = 6,671.47

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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.