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Finding the Fourth Proportional to 12,186.40, 16,817.27 and 6,597.40

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Solution

The fourth proportional to 12,186.40, 16,817.27 and 6,597.40 is: 9,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.40 : 16,817.27 = 6,597.40 : x
  2. Step 2: Convert to fraction form
    12,186.40/16,817.27 = 6,597.40/x
  3. Step 3: Cross multiply
    12,186.40x = 16,817.27 × 6,597.40
  4. Step 4: Simplify right side
    12,186.40x = 110,950,250.71
  5. Step 5: Solve for x
    x = 110,950,250.71/12,186.40
  6. Step 6: Final answer
    x = 9,104.43

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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.