Home / 11,633.54-17,450.99-4,238.78

Finding the Fourth Proportional to 11,633.54, 17,450.99 and 4,238.78

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Solution

The fourth proportional to 11,633.54, 17,450.99 and 4,238.78 is: 6,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,633.54 : 17,450.99 = 4,238.78 : x
  2. Step 2: Convert to fraction form
    11,633.54/17,450.99 = 4,238.78/x
  3. Step 3: Cross multiply
    11,633.54x = 17,450.99 × 4,238.78
  4. Step 4: Simplify right side
    11,633.54x = 73,970,907.39
  5. Step 5: Solve for x
    x = 73,970,907.39/11,633.54
  6. Step 6: Final answer
    x = 6,358.42

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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.