Home / 8,178.38-12,265.27-2,333.42

Finding the Fourth Proportional to 8,178.38, 12,265.27 and 2,333.42

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Solution

The fourth proportional to 8,178.38, 12,265.27 and 2,333.42 is: 3,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.38 : 12,265.27 = 2,333.42 : x
  2. Step 2: Convert to fraction form
    8,178.38/12,265.27 = 2,333.42/x
  3. Step 3: Cross multiply
    8,178.38x = 12,265.27 × 2,333.42
  4. Step 4: Simplify right side
    8,178.38x = 28,620,026.32
  5. Step 5: Solve for x
    x = 28,620,026.32/8,178.38
  6. Step 6: Final answer
    x = 3,499.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.