Home / 11,185.13-16,777.79-3,393.94

Finding the Fourth Proportional to 11,185.13, 16,777.79 and 3,393.94

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Solution

The fourth proportional to 11,185.13, 16,777.79 and 3,393.94 is: 5,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.13 : 16,777.79 = 3,393.94 : x
  2. Step 2: Convert to fraction form
    11,185.13/16,777.79 = 3,393.94/x
  3. Step 3: Cross multiply
    11,185.13x = 16,777.79 × 3,393.94
  4. Step 4: Simplify right side
    11,185.13x = 56,942,766.41
  5. Step 5: Solve for x
    x = 56,942,766.41/11,185.13
  6. Step 6: Final answer
    x = 5,090.94

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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.