Home / 11,823.75-17,735.13-2,939.09

Finding the Fourth Proportional to 11,823.75, 17,735.13 and 2,939.09

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Solution

The fourth proportional to 11,823.75, 17,735.13 and 2,939.09 is: 4,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.75 : 17,735.13 = 2,939.09 : x
  2. Step 2: Convert to fraction form
    11,823.75/17,735.13 = 2,939.09/x
  3. Step 3: Cross multiply
    11,823.75x = 17,735.13 × 2,939.09
  4. Step 4: Simplify right side
    11,823.75x = 52,125,054.56
  5. Step 5: Solve for x
    x = 52,125,054.56/11,823.75
  6. Step 6: Final answer
    x = 4,408.50

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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.