Home / 10,801.60-16,183.97-7,666.09

Finding the Fourth Proportional to 10,801.60, 16,183.97 and 7,666.09

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Solution

The fourth proportional to 10,801.60, 16,183.97 and 7,666.09 is: 11,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.60 : 16,183.97 = 7,666.09 : x
  2. Step 2: Convert to fraction form
    10,801.60/16,183.97 = 7,666.09/x
  3. Step 3: Cross multiply
    10,801.60x = 16,183.97 × 7,666.09
  4. Step 4: Simplify right side
    10,801.60x = 124,067,691.79
  5. Step 5: Solve for x
    x = 124,067,691.79/10,801.60
  6. Step 6: Final answer
    x = 11,486.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.