Home / 11,107.53-16,662.92-3,709.80

Finding the Fourth Proportional to 11,107.53, 16,662.92 and 3,709.80

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Solution

The fourth proportional to 11,107.53, 16,662.92 and 3,709.80 is: 5,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.53 : 16,662.92 = 3,709.80 : x
  2. Step 2: Convert to fraction form
    11,107.53/16,662.92 = 3,709.80/x
  3. Step 3: Cross multiply
    11,107.53x = 16,662.92 × 3,709.80
  4. Step 4: Simplify right side
    11,107.53x = 61,816,082.07
  5. Step 5: Solve for x
    x = 61,816,082.07/11,107.53
  6. Step 6: Final answer
    x = 5,565.24

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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.