Home / 11,673.20-16,108.39-6,636.73

Finding the Fourth Proportional to 11,673.20, 16,108.39 and 6,636.73

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Solution

The fourth proportional to 11,673.20, 16,108.39 and 6,636.73 is: 9,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.20 : 16,108.39 = 6,636.73 : x
  2. Step 2: Convert to fraction form
    11,673.20/16,108.39 = 6,636.73/x
  3. Step 3: Cross multiply
    11,673.20x = 16,108.39 × 6,636.73
  4. Step 4: Simplify right side
    11,673.20x = 106,907,035.16
  5. Step 5: Solve for x
    x = 106,907,035.16/11,673.20
  6. Step 6: Final answer
    x = 9,158.33

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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.