Home / 11,161.18-16,736.91-3,763.65

Finding the Fourth Proportional to 11,161.18, 16,736.91 and 3,763.65

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Solution

The fourth proportional to 11,161.18, 16,736.91 and 3,763.65 is: 5,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.18 : 16,736.91 = 3,763.65 : x
  2. Step 2: Convert to fraction form
    11,161.18/16,736.91 = 3,763.65/x
  3. Step 3: Cross multiply
    11,161.18x = 16,736.91 × 3,763.65
  4. Step 4: Simplify right side
    11,161.18x = 62,991,871.32
  5. Step 5: Solve for x
    x = 62,991,871.32/11,161.18
  6. Step 6: Final answer
    x = 5,643.84

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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.