Home / 11,940.82-17,898.91-4,040.75

Finding the Fourth Proportional to 11,940.82, 17,898.91 and 4,040.75

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Solution

The fourth proportional to 11,940.82, 17,898.91 and 4,040.75 is: 6,056.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.82 : 17,898.91 = 4,040.75 : x
  2. Step 2: Convert to fraction form
    11,940.82/17,898.91 = 4,040.75/x
  3. Step 3: Cross multiply
    11,940.82x = 17,898.91 × 4,040.75
  4. Step 4: Simplify right side
    11,940.82x = 72,325,055.23
  5. Step 5: Solve for x
    x = 72,325,055.23/11,940.82
  6. Step 6: Final answer
    x = 6,056.96

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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.