Home / 11,322.72-16,984.28-3,927.44

Finding the Fourth Proportional to 11,322.72, 16,984.28 and 3,927.44

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Solution

The fourth proportional to 11,322.72, 16,984.28 and 3,927.44 is: 5,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.72 : 16,984.28 = 3,927.44 : x
  2. Step 2: Convert to fraction form
    11,322.72/16,984.28 = 3,927.44/x
  3. Step 3: Cross multiply
    11,322.72x = 16,984.28 × 3,927.44
  4. Step 4: Simplify right side
    11,322.72x = 66,704,740.64
  5. Step 5: Solve for x
    x = 66,704,740.64/11,322.72
  6. Step 6: Final answer
    x = 5,891.23

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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.