Home / 11,713.41-16,164.56-6,408.32

Finding the Fourth Proportional to 11,713.41, 16,164.56 and 6,408.32

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Solution

The fourth proportional to 11,713.41, 16,164.56 and 6,408.32 is: 8,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.41 : 16,164.56 = 6,408.32 : x
  2. Step 2: Convert to fraction form
    11,713.41/16,164.56 = 6,408.32/x
  3. Step 3: Cross multiply
    11,713.41x = 16,164.56 × 6,408.32
  4. Step 4: Simplify right side
    11,713.41x = 103,587,608.34
  5. Step 5: Solve for x
    x = 103,587,608.34/11,713.41
  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.