Home / 11,730.58-16,178.61-8,367.46

Finding the Fourth Proportional to 11,730.58, 16,178.61 and 8,367.46

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Solution

The fourth proportional to 11,730.58, 16,178.61 and 8,367.46 is: 11,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.58 : 16,178.61 = 8,367.46 : x
  2. Step 2: Convert to fraction form
    11,730.58/16,178.61 = 8,367.46/x
  3. Step 3: Cross multiply
    11,730.58x = 16,178.61 × 8,367.46
  4. Step 4: Simplify right side
    11,730.58x = 135,373,872.03
  5. Step 5: Solve for x
    x = 135,373,872.03/11,730.58
  6. Step 6: Final answer
    x = 11,540.25

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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.