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Finding the Fourth Proportional to 11,370.11, 15,692.11 and 6,654.38

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Solution

The fourth proportional to 11,370.11, 15,692.11 and 6,654.38 is: 9,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.11 : 15,692.11 = 6,654.38 : x
  2. Step 2: Convert to fraction form
    11,370.11/15,692.11 = 6,654.38/x
  3. Step 3: Cross multiply
    11,370.11x = 15,692.11 × 6,654.38
  4. Step 4: Simplify right side
    11,370.11x = 104,421,167.85
  5. Step 5: Solve for x
    x = 104,421,167.85/11,370.11
  6. Step 6: Final answer
    x = 9,183.83

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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.