Home / 11,622.56-17,438.49-4,227.53

Finding the Fourth Proportional to 11,622.56, 17,438.49 and 4,227.53

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Solution

The fourth proportional to 11,622.56, 17,438.49 and 4,227.53 is: 6,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.56 : 17,438.49 = 4,227.53 : x
  2. Step 2: Convert to fraction form
    11,622.56/17,438.49 = 4,227.53/x
  3. Step 3: Cross multiply
    11,622.56x = 17,438.49 × 4,227.53
  4. Step 4: Simplify right side
    11,622.56x = 73,721,652.44
  5. Step 5: Solve for x
    x = 73,721,652.44/11,622.56
  6. Step 6: Final answer
    x = 6,342.98

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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.