Home / 8,676.48-13,015.56-3,481.68

Finding the Fourth Proportional to 8,676.48, 13,015.56 and 3,481.68

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Solution

The fourth proportional to 8,676.48, 13,015.56 and 3,481.68 is: 5,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.48 : 13,015.56 = 3,481.68 : x
  2. Step 2: Convert to fraction form
    8,676.48/13,015.56 = 3,481.68/x
  3. Step 3: Cross multiply
    8,676.48x = 13,015.56 × 3,481.68
  4. Step 4: Simplify right side
    8,676.48x = 45,316,014.94
  5. Step 5: Solve for x
    x = 45,316,014.94/8,676.48
  6. Step 6: Final answer
    x = 5,222.86

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1.5x scale

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.