Home / 8,043.23-12,066.45-2,778.43

Finding the Fourth Proportional to 8,043.23, 12,066.45 and 2,778.43

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Solution

The fourth proportional to 8,043.23, 12,066.45 and 2,778.43 is: 4,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.23 : 12,066.45 = 2,778.43 : x
  2. Step 2: Convert to fraction form
    8,043.23/12,066.45 = 2,778.43/x
  3. Step 3: Cross multiply
    8,043.23x = 12,066.45 × 2,778.43
  4. Step 4: Simplify right side
    8,043.23x = 33,525,786.67
  5. Step 5: Solve for x
    x = 33,525,786.67/8,043.23
  6. Step 6: Final answer
    x = 4,168.20

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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.