Home / 11,491.44-17,221.21-5,236.17

Finding the Fourth Proportional to 11,491.44, 17,221.21 and 5,236.17

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Solution

The fourth proportional to 11,491.44, 17,221.21 and 5,236.17 is: 7,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.44 : 17,221.21 = 5,236.17 : x
  2. Step 2: Convert to fraction form
    11,491.44/17,221.21 = 5,236.17/x
  3. Step 3: Cross multiply
    11,491.44x = 17,221.21 × 5,236.17
  4. Step 4: Simplify right side
    11,491.44x = 90,173,134.95
  5. Step 5: Solve for x
    x = 90,173,134.95/11,491.44
  6. Step 6: Final answer
    x = 7,846.98

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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.