Home / 11,682.60-16,121.86-6,377.37

Finding the Fourth Proportional to 11,682.60, 16,121.86 and 6,377.37

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Solution

The fourth proportional to 11,682.60, 16,121.86 and 6,377.37 is: 8,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.60 : 16,121.86 = 6,377.37 : x
  2. Step 2: Convert to fraction form
    11,682.60/16,121.86 = 6,377.37/x
  3. Step 3: Cross multiply
    11,682.60x = 16,121.86 × 6,377.37
  4. Step 4: Simplify right side
    11,682.60x = 102,815,066.31
  5. Step 5: Solve for x
    x = 102,815,066.31/11,682.60
  6. Step 6: Final answer
    x = 8,800.70

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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.