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Finding the Fourth Proportional to 8,912.54, 12,297.33 and 6,676.34

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Solution

The fourth proportional to 8,912.54, 12,297.33 and 6,676.34 is: 9,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.54 : 12,297.33 = 6,676.34 : x
  2. Step 2: Convert to fraction form
    8,912.54/12,297.33 = 6,676.34/x
  3. Step 3: Cross multiply
    8,912.54x = 12,297.33 × 6,676.34
  4. Step 4: Simplify right side
    8,912.54x = 82,101,094.69
  5. Step 5: Solve for x
    x = 82,101,094.69/8,912.54
  6. Step 6: Final answer
    x = 9,211.87

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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.