Home / 11,977.05-17,957.85-5,736.91

Finding the Fourth Proportional to 11,977.05, 17,957.85 and 5,736.91

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Solution

The fourth proportional to 11,977.05, 17,957.85 and 5,736.91 is: 8,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.05 : 17,957.85 = 5,736.91 : x
  2. Step 2: Convert to fraction form
    11,977.05/17,957.85 = 5,736.91/x
  3. Step 3: Cross multiply
    11,977.05x = 17,957.85 × 5,736.91
  4. Step 4: Simplify right side
    11,977.05x = 103,022,569.24
  5. Step 5: Solve for x
    x = 103,022,569.24/11,977.05
  6. Step 6: Final answer
    x = 8,601.66

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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.