Home / 12,432.15-17,156.34-6,766.81

Finding the Fourth Proportional to 12,432.15, 17,156.34 and 6,766.81

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Solution

The fourth proportional to 12,432.15, 17,156.34 and 6,766.81 is: 9,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.15 : 17,156.34 = 6,766.81 : x
  2. Step 2: Convert to fraction form
    12,432.15/17,156.34 = 6,766.81/x
  3. Step 3: Cross multiply
    12,432.15x = 17,156.34 × 6,766.81
  4. Step 4: Simplify right side
    12,432.15x = 116,093,650.18
  5. Step 5: Solve for x
    x = 116,093,650.18/12,432.15
  6. Step 6: Final answer
    x = 9,338.18

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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.