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Finding the Fourth Proportional to 12,192, 18,297.18 and 6,348.12

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Solution

The fourth proportional to 12,192, 18,297.18 and 6,348.12 is: 9,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192 : 18,297.18 = 6,348.12 : x
  2. Step 2: Convert to fraction form
    12,192/18,297.18 = 6,348.12/x
  3. Step 3: Cross multiply
    12,192x = 18,297.18 × 6,348.12
  4. Step 4: Simplify right side
    12,192x = 116,152,694.30
  5. Step 5: Solve for x
    x = 116,152,694.30/12,192
  6. Step 6: Final answer
    x = 9,526.96

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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.