Home / 12,278.07-16,950.20-8,265.96

Finding the Fourth Proportional to 12,278.07, 16,950.20 and 8,265.96

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Solution

The fourth proportional to 12,278.07, 16,950.20 and 8,265.96 is: 11,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,278.07 : 16,950.20 = 8,265.96 : x
  2. Step 2: Convert to fraction form
    12,278.07/16,950.20 = 8,265.96/x
  3. Step 3: Cross multiply
    12,278.07x = 16,950.20 × 8,265.96
  4. Step 4: Simplify right side
    12,278.07x = 140,109,633.86
  5. Step 5: Solve for x
    x = 140,109,633.86/12,278.07
  6. Step 6: Final answer
    x = 11,411.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.