Home / 11,713.37-16,164.83-6,408.19

Finding the Fourth Proportional to 11,713.37, 16,164.83 and 6,408.19

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Solution

The fourth proportional to 11,713.37, 16,164.83 and 6,408.19 is: 8,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.37 : 16,164.83 = 6,408.19 : x
  2. Step 2: Convert to fraction form
    11,713.37/16,164.83 = 6,408.19/x
  3. Step 3: Cross multiply
    11,713.37x = 16,164.83 × 6,408.19
  4. Step 4: Simplify right side
    11,713.37x = 103,587,301.96
  5. Step 5: Solve for x
    x = 103,587,301.96/11,713.37
  6. Step 6: Final answer
    x = 8,843.51

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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.