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Finding the Fourth Proportional to 11,191.98, 16,853.02 and 8,093.12

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Solution

The fourth proportional to 11,191.98, 16,853.02 and 8,093.12 is: 12,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.98 : 16,853.02 = 8,093.12 : x
  2. Step 2: Convert to fraction form
    11,191.98/16,853.02 = 8,093.12/x
  3. Step 3: Cross multiply
    11,191.98x = 16,853.02 × 8,093.12
  4. Step 4: Simplify right side
    11,191.98x = 136,393,513.22
  5. Step 5: Solve for x
    x = 136,393,513.22/11,191.98
  6. Step 6: Final answer
    x = 12,186.72

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.