Home / 11,327.99-16,979.22-5,765.72

Finding the Fourth Proportional to 11,327.99, 16,979.22 and 5,765.72

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Solution

The fourth proportional to 11,327.99, 16,979.22 and 5,765.72 is: 8,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.99 : 16,979.22 = 5,765.72 : x
  2. Step 2: Convert to fraction form
    11,327.99/16,979.22 = 5,765.72/x
  3. Step 3: Cross multiply
    11,327.99x = 16,979.22 × 5,765.72
  4. Step 4: Simplify right side
    11,327.99x = 97,897,343.44
  5. Step 5: Solve for x
    x = 97,897,343.44/11,327.99
  6. Step 6: Final answer
    x = 8,642.08

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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.