Home / 12,076.24-16,651.18-11,329

Finding the Fourth Proportional to 12,076.24, 16,651.18 and 11,329

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Solution

The fourth proportional to 12,076.24, 16,651.18 and 11,329 is: 15,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.24 : 16,651.18 = 11,329 : x
  2. Step 2: Convert to fraction form
    12,076.24/16,651.18 = 11,329/x
  3. Step 3: Cross multiply
    12,076.24x = 16,651.18 × 11,329
  4. Step 4: Simplify right side
    12,076.24x = 188,641,218.22
  5. Step 5: Solve for x
    x = 188,641,218.22/12,076.24
  6. Step 6: Final answer
    x = 15,620.86

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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.