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Finding the Fourth Proportional to 12,468.83, 18,687.65 and 6,230.60

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Solution

The fourth proportional to 12,468.83, 18,687.65 and 6,230.60 is: 9,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.83 : 18,687.65 = 6,230.60 : x
  2. Step 2: Convert to fraction form
    12,468.83/18,687.65 = 6,230.60/x
  3. Step 3: Cross multiply
    12,468.83x = 18,687.65 × 6,230.60
  4. Step 4: Simplify right side
    12,468.83x = 116,435,147.50
  5. Step 5: Solve for x
    x = 116,435,147.50/12,468.83
  6. Step 6: Final answer
    x = 9,338.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.