Home / 11,466.36-17,198.38-3,147.21

Finding the Fourth Proportional to 11,466.36, 17,198.38 and 3,147.21

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Solution

The fourth proportional to 11,466.36, 17,198.38 and 3,147.21 is: 4,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,466.36 : 17,198.38 = 3,147.21 : x
  2. Step 2: Convert to fraction form
    11,466.36/17,198.38 = 3,147.21/x
  3. Step 3: Cross multiply
    11,466.36x = 17,198.38 × 3,147.21
  4. Step 4: Simplify right side
    11,466.36x = 54,126,905.65
  5. Step 5: Solve for x
    x = 54,126,905.65/11,466.36
  6. Step 6: Final answer
    x = 4,720.50

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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.