Home / 11,185.18-16,777.39-2,865.27

Finding the Fourth Proportional to 11,185.18, 16,777.39 and 2,865.27

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Solution

The fourth proportional to 11,185.18, 16,777.39 and 2,865.27 is: 4,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.18 : 16,777.39 = 2,865.27 : x
  2. Step 2: Convert to fraction form
    11,185.18/16,777.39 = 2,865.27/x
  3. Step 3: Cross multiply
    11,185.18x = 16,777.39 × 2,865.27
  4. Step 4: Simplify right side
    11,185.18x = 48,071,752.25
  5. Step 5: Solve for x
    x = 48,071,752.25/11,185.18
  6. Step 6: Final answer
    x = 4,297.81

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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.