Home / 11,839.91-17,755.21-4,440.33

Finding the Fourth Proportional to 11,839.91, 17,755.21 and 4,440.33

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Solution

The fourth proportional to 11,839.91, 17,755.21 and 4,440.33 is: 6,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.91 : 17,755.21 = 4,440.33 : x
  2. Step 2: Convert to fraction form
    11,839.91/17,755.21 = 4,440.33/x
  3. Step 3: Cross multiply
    11,839.91x = 17,755.21 × 4,440.33
  4. Step 4: Simplify right side
    11,839.91x = 78,838,980.52
  5. Step 5: Solve for x
    x = 78,838,980.52/11,839.91
  6. Step 6: Final answer
    x = 6,658.75

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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.