Home / 9,331.30-13,998.32-3,408.48

Finding the Fourth Proportional to 9,331.30, 13,998.32 and 3,408.48

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Solution

The fourth proportional to 9,331.30, 13,998.32 and 3,408.48 is: 5,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.30 : 13,998.32 = 3,408.48 : x
  2. Step 2: Convert to fraction form
    9,331.30/13,998.32 = 3,408.48/x
  3. Step 3: Cross multiply
    9,331.30x = 13,998.32 × 3,408.48
  4. Step 4: Simplify right side
    9,331.30x = 47,712,989.49
  5. Step 5: Solve for x
    x = 47,712,989.49/9,331.30
  6. Step 6: Final answer
    x = 5,113.22

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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.