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Finding the Fourth Proportional to 11,045.16, 15,241.86 and 6,329.88

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Solution

The fourth proportional to 11,045.16, 15,241.86 and 6,329.88 is: 8,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.16 : 15,241.86 = 6,329.88 : x
  2. Step 2: Convert to fraction form
    11,045.16/15,241.86 = 6,329.88/x
  3. Step 3: Cross multiply
    11,045.16x = 15,241.86 × 6,329.88
  4. Step 4: Simplify right side
    11,045.16x = 96,479,144.78
  5. Step 5: Solve for x
    x = 96,479,144.78/11,045.16
  6. Step 6: Final answer
    x = 8,734.97

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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.