Home / 8,467.40-12,699.66-2,309.96

Finding the Fourth Proportional to 8,467.40, 12,699.66 and 2,309.96

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Solution

The fourth proportional to 8,467.40, 12,699.66 and 2,309.96 is: 3,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.40 : 12,699.66 = 2,309.96 : x
  2. Step 2: Convert to fraction form
    8,467.40/12,699.66 = 2,309.96/x
  3. Step 3: Cross multiply
    8,467.40x = 12,699.66 × 2,309.96
  4. Step 4: Simplify right side
    8,467.40x = 29,335,706.61
  5. Step 5: Solve for x
    x = 29,335,706.61/8,467.40
  6. Step 6: Final answer
    x = 3,464.55

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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.