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Finding the Fourth Proportional to 12,396.16, 18,597.48 and 7,197.04

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Solution

The fourth proportional to 12,396.16, 18,597.48 and 7,197.04 is: 10,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.16 : 18,597.48 = 7,197.04 : x
  2. Step 2: Convert to fraction form
    12,396.16/18,597.48 = 7,197.04/x
  3. Step 3: Cross multiply
    12,396.16x = 18,597.48 × 7,197.04
  4. Step 4: Simplify right side
    12,396.16x = 133,846,807.46
  5. Step 5: Solve for x
    x = 133,846,807.46/12,396.16
  6. Step 6: Final answer
    x = 10,797.44

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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.