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Finding the Fourth Proportional to 11,481.03, 15,841.94 and 6,764.67

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Solution

The fourth proportional to 11,481.03, 15,841.94 and 6,764.67 is: 9,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.03 : 15,841.94 = 6,764.67 : x
  2. Step 2: Convert to fraction form
    11,481.03/15,841.94 = 6,764.67/x
  3. Step 3: Cross multiply
    11,481.03x = 15,841.94 × 6,764.67
  4. Step 4: Simplify right side
    11,481.03x = 107,165,496.26
  5. Step 5: Solve for x
    x = 107,165,496.26/11,481.03
  6. Step 6: Final answer
    x = 9,334.14

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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.