Home / 11,408.66-15,744.22-6,372.62

Finding the Fourth Proportional to 11,408.66, 15,744.22 and 6,372.62

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Solution

The fourth proportional to 11,408.66, 15,744.22 and 6,372.62 is: 8,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.66 : 15,744.22 = 6,372.62 : x
  2. Step 2: Convert to fraction form
    11,408.66/15,744.22 = 6,372.62/x
  3. Step 3: Cross multiply
    11,408.66x = 15,744.22 × 6,372.62
  4. Step 4: Simplify right side
    11,408.66x = 100,331,931.26
  5. Step 5: Solve for x
    x = 100,331,931.26/11,408.66
  6. Step 6: Final answer
    x = 8,794.37

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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.