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Finding the Fourth Proportional to 9,236.84, 13,855.26 and 7,161.08

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Solution

The fourth proportional to 9,236.84, 13,855.26 and 7,161.08 is: 10,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.84 : 13,855.26 = 7,161.08 : x
  2. Step 2: Convert to fraction form
    9,236.84/13,855.26 = 7,161.08/x
  3. Step 3: Cross multiply
    9,236.84x = 13,855.26 × 7,161.08
  4. Step 4: Simplify right side
    9,236.84x = 99,218,625.28
  5. Step 5: Solve for x
    x = 99,218,625.28/9,236.84
  6. Step 6: Final answer
    x = 10,741.62

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Similar ratio
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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.