Home / 8,936.21-13,404.35-3,738.44

Finding the Fourth Proportional to 8,936.21, 13,404.35 and 3,738.44

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Solution

The fourth proportional to 8,936.21, 13,404.35 and 3,738.44 is: 5,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.21 : 13,404.35 = 3,738.44 : x
  2. Step 2: Convert to fraction form
    8,936.21/13,404.35 = 3,738.44/x
  3. Step 3: Cross multiply
    8,936.21x = 13,404.35 × 3,738.44
  4. Step 4: Simplify right side
    8,936.21x = 50,111,358.21
  5. Step 5: Solve for x
    x = 50,111,358.21/8,936.21
  6. Step 6: Final answer
    x = 5,607.67

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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.