Home / 11,261.43-16,891.20-3,469.50

Finding the Fourth Proportional to 11,261.43, 16,891.20 and 3,469.50

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Solution

The fourth proportional to 11,261.43, 16,891.20 and 3,469.50 is: 5,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.43 : 16,891.20 = 3,469.50 : x
  2. Step 2: Convert to fraction form
    11,261.43/16,891.20 = 3,469.50/x
  3. Step 3: Cross multiply
    11,261.43x = 16,891.20 × 3,469.50
  4. Step 4: Simplify right side
    11,261.43x = 58,604,018.40
  5. Step 5: Solve for x
    x = 58,604,018.40/11,261.43
  6. Step 6: Final answer
    x = 5,203.96

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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.