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Finding the Fourth Proportional to 11,481.16, 15,841.08 and 7,004.62

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Solution

The fourth proportional to 11,481.16, 15,841.08 and 7,004.62 is: 9,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.16 : 15,841.08 = 7,004.62 : x
  2. Step 2: Convert to fraction form
    11,481.16/15,841.08 = 7,004.62/x
  3. Step 3: Cross multiply
    11,481.16x = 15,841.08 × 7,004.62
  4. Step 4: Simplify right side
    11,481.16x = 110,960,745.79
  5. Step 5: Solve for x
    x = 110,960,745.79/11,481.16
  6. Step 6: Final answer
    x = 9,664.59

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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.