Home / 11,236.83-16,850.86-4,213.01

Finding the Fourth Proportional to 11,236.83, 16,850.86 and 4,213.01

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Solution

The fourth proportional to 11,236.83, 16,850.86 and 4,213.01 is: 6,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.83 : 16,850.86 = 4,213.01 : x
  2. Step 2: Convert to fraction form
    11,236.83/16,850.86 = 4,213.01/x
  3. Step 3: Cross multiply
    11,236.83x = 16,850.86 × 4,213.01
  4. Step 4: Simplify right side
    11,236.83x = 70,992,871.80
  5. Step 5: Solve for x
    x = 70,992,871.80/11,236.83
  6. Step 6: Final answer
    x = 6,317.88

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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.