Home / 8,450.74-12,675.15-2,211.36

Finding the Fourth Proportional to 8,450.74, 12,675.15 and 2,211.36

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Solution

The fourth proportional to 8,450.74, 12,675.15 and 2,211.36 is: 3,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.74 : 12,675.15 = 2,211.36 : x
  2. Step 2: Convert to fraction form
    8,450.74/12,675.15 = 2,211.36/x
  3. Step 3: Cross multiply
    8,450.74x = 12,675.15 × 2,211.36
  4. Step 4: Simplify right side
    8,450.74x = 28,029,271.76
  5. Step 5: Solve for x
    x = 28,029,271.76/8,450.74
  6. Step 6: Final answer
    x = 3,316.78

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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.