Home / 8,676.34-13,015.08-3,481.54

Finding the Fourth Proportional to 8,676.34, 13,015.08 and 3,481.54

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Solution

The fourth proportional to 8,676.34, 13,015.08 and 3,481.54 is: 5,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.34 : 13,015.08 = 3,481.54 : x
  2. Step 2: Convert to fraction form
    8,676.34/13,015.08 = 3,481.54/x
  3. Step 3: Cross multiply
    8,676.34x = 13,015.08 × 3,481.54
  4. Step 4: Simplify right side
    8,676.34x = 45,312,521.62
  5. Step 5: Solve for x
    x = 45,312,521.62/8,676.34
  6. Step 6: Final answer
    x = 5,222.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.