Home / 11,215.75-16,823.63-3,007.75

Finding the Fourth Proportional to 11,215.75, 16,823.63 and 3,007.75

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Solution

The fourth proportional to 11,215.75, 16,823.63 and 3,007.75 is: 4,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.75 : 16,823.63 = 3,007.75 : x
  2. Step 2: Convert to fraction form
    11,215.75/16,823.63 = 3,007.75/x
  3. Step 3: Cross multiply
    11,215.75x = 16,823.63 × 3,007.75
  4. Step 4: Simplify right side
    11,215.75x = 50,601,273.13
  5. Step 5: Solve for x
    x = 50,601,273.13/11,215.75
  6. Step 6: Final answer
    x = 4,511.63

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Similar ratio
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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.