Home / 11,338.25-17,007.53-3,942.88

Finding the Fourth Proportional to 11,338.25, 17,007.53 and 3,942.88

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Solution

The fourth proportional to 11,338.25, 17,007.53 and 3,942.88 is: 5,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.25 : 17,007.53 = 3,942.88 : x
  2. Step 2: Convert to fraction form
    11,338.25/17,007.53 = 3,942.88/x
  3. Step 3: Cross multiply
    11,338.25x = 17,007.53 × 3,942.88
  4. Step 4: Simplify right side
    11,338.25x = 67,058,587.65
  5. Step 5: Solve for x
    x = 67,058,587.65/11,338.25
  6. Step 6: Final answer
    x = 5,914.37

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1.5x scale

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.