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Finding the Fourth Proportional to 8,794.99, 12,136.53 and 4,816.15

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Solution

The fourth proportional to 8,794.99, 12,136.53 and 4,816.15 is: 6,645.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.99 : 12,136.53 = 4,816.15 : x
  2. Step 2: Convert to fraction form
    8,794.99/12,136.53 = 4,816.15/x
  3. Step 3: Cross multiply
    8,794.99x = 12,136.53 × 4,816.15
  4. Step 4: Simplify right side
    8,794.99x = 58,451,348.96
  5. Step 5: Solve for x
    x = 58,451,348.96/8,794.99
  6. Step 6: Final answer
    x = 6,645.98

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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.