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Finding the Fourth Proportional to 8,794.46, 12,136.36 and 4,815.57

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Solution

The fourth proportional to 8,794.46, 12,136.36 and 4,815.57 is: 6,645.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.46 : 12,136.36 = 4,815.57 : x
  2. Step 2: Convert to fraction form
    8,794.46/12,136.36 = 4,815.57/x
  3. Step 3: Cross multiply
    8,794.46x = 12,136.36 × 4,815.57
  4. Step 4: Simplify right side
    8,794.46x = 58,443,491.13
  5. Step 5: Solve for x
    x = 58,443,491.13/8,794.46
  6. Step 6: Final answer
    x = 6,645.49

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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.