Home / 11,408.04-17,109.36-3,615.30

Finding the Fourth Proportional to 11,408.04, 17,109.36 and 3,615.30

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Solution

The fourth proportional to 11,408.04, 17,109.36 and 3,615.30 is: 5,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.04 : 17,109.36 = 3,615.30 : x
  2. Step 2: Convert to fraction form
    11,408.04/17,109.36 = 3,615.30/x
  3. Step 3: Cross multiply
    11,408.04x = 17,109.36 × 3,615.30
  4. Step 4: Simplify right side
    11,408.04x = 61,855,469.21
  5. Step 5: Solve for x
    x = 61,855,469.21/11,408.04
  6. Step 6: Final answer
    x = 5,422.09

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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.