Home / 8,450.96-12,676.50-5,531.72

Finding the Fourth Proportional to 8,450.96, 12,676.50 and 5,531.72

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Solution

The fourth proportional to 8,450.96, 12,676.50 and 5,531.72 is: 8,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.96 : 12,676.50 = 5,531.72 : x
  2. Step 2: Convert to fraction form
    8,450.96/12,676.50 = 5,531.72/x
  3. Step 3: Cross multiply
    8,450.96x = 12,676.50 × 5,531.72
  4. Step 4: Simplify right side
    8,450.96x = 70,122,848.58
  5. Step 5: Solve for x
    x = 70,122,848.58/8,450.96
  6. Step 6: Final answer
    x = 8,297.62

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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.