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Finding the Fourth Proportional to 11,249.01, 15,523.56 and 6,213.56

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Solution

The fourth proportional to 11,249.01, 15,523.56 and 6,213.56 is: 8,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.01 : 15,523.56 = 6,213.56 : x
  2. Step 2: Convert to fraction form
    11,249.01/15,523.56 = 6,213.56/x
  3. Step 3: Cross multiply
    11,249.01x = 15,523.56 × 6,213.56
  4. Step 4: Simplify right side
    11,249.01x = 96,456,493.86
  5. Step 5: Solve for x
    x = 96,456,493.86/11,249.01
  6. Step 6: Final answer
    x = 8,574.67

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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.