Home / 12,401.88-17,081.34-11,467.64

Finding the Fourth Proportional to 12,401.88, 17,081.34 and 11,467.64

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Solution

The fourth proportional to 12,401.88, 17,081.34 and 11,467.64 is: 15,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.88 : 17,081.34 = 11,467.64 : x
  2. Step 2: Convert to fraction form
    12,401.88/17,081.34 = 11,467.64/x
  3. Step 3: Cross multiply
    12,401.88x = 17,081.34 × 11,467.64
  4. Step 4: Simplify right side
    12,401.88x = 195,882,657.84
  5. Step 5: Solve for x
    x = 195,882,657.84/12,401.88
  6. Step 6: Final answer
    x = 15,794.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.