Home / 11,977.11-17,957.83-5,736.92

Finding the Fourth Proportional to 11,977.11, 17,957.83 and 5,736.92

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Solution

The fourth proportional to 11,977.11, 17,957.83 and 5,736.92 is: 8,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.11 : 17,957.83 = 5,736.92 : x
  2. Step 2: Convert to fraction form
    11,977.11/17,957.83 = 5,736.92/x
  3. Step 3: Cross multiply
    11,977.11x = 17,957.83 × 5,736.92
  4. Step 4: Simplify right side
    11,977.11x = 103,022,544.29
  5. Step 5: Solve for x
    x = 103,022,544.29/11,977.11
  6. Step 6: Final answer
    x = 8,601.62

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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.