Home / 11,449.88-17,176.74-3,951.39

Finding the Fourth Proportional to 11,449.88, 17,176.74 and 3,951.39

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Solution

The fourth proportional to 11,449.88, 17,176.74 and 3,951.39 is: 5,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.88 : 17,176.74 = 3,951.39 : x
  2. Step 2: Convert to fraction form
    11,449.88/17,176.74 = 3,951.39/x
  3. Step 3: Cross multiply
    11,449.88x = 17,176.74 × 3,951.39
  4. Step 4: Simplify right side
    11,449.88x = 67,871,998.67
  5. Step 5: Solve for x
    x = 67,871,998.67/11,449.88
  6. Step 6: Final answer
    x = 5,927.75

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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.