Home / 12,183.43-16,812.19-6,878.77

Finding the Fourth Proportional to 12,183.43, 16,812.19 and 6,878.77

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Solution

The fourth proportional to 12,183.43, 16,812.19 and 6,878.77 is: 9,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.43 : 16,812.19 = 6,878.77 : x
  2. Step 2: Convert to fraction form
    12,183.43/16,812.19 = 6,878.77/x
  3. Step 3: Cross multiply
    12,183.43x = 16,812.19 × 6,878.77
  4. Step 4: Simplify right side
    12,183.43x = 115,647,188.21
  5. Step 5: Solve for x
    x = 115,647,188.21/12,183.43
  6. Step 6: Final answer
    x = 9,492.17

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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.