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Finding the Fourth Proportional to 9,370.13, 14,012.89 and 7,149.65

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Solution

The fourth proportional to 9,370.13, 14,012.89 and 7,149.65 is: 10,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.13 : 14,012.89 = 7,149.65 : x
  2. Step 2: Convert to fraction form
    9,370.13/14,012.89 = 7,149.65/x
  3. Step 3: Cross multiply
    9,370.13x = 14,012.89 × 7,149.65
  4. Step 4: Simplify right side
    9,370.13x = 100,187,171.05
  5. Step 5: Solve for x
    x = 100,187,171.05/9,370.13
  6. Step 6: Final answer
    x = 10,692.19

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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.