Home / 12,408.00-17,124.50-7,372.26

Finding the Fourth Proportional to 12,408.00, 17,124.50 and 7,372.26

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Solution

The fourth proportional to 12,408.00, 17,124.50 and 7,372.26 is: 10,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.00 : 17,124.50 = 7,372.26 : x
  2. Step 2: Convert to fraction form
    12,408.00/17,124.50 = 7,372.26/x
  3. Step 3: Cross multiply
    12,408.00x = 17,124.50 × 7,372.26
  4. Step 4: Simplify right side
    12,408.00x = 126,246,290.75
  5. Step 5: Solve for x
    x = 126,246,290.75/12,408.00
  6. Step 6: Final answer
    x = 10,174.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.