Home / 11,940.69-17,909.77-3,176.49

Finding the Fourth Proportional to 11,940.69, 17,909.77 and 3,176.49

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Solution

The fourth proportional to 11,940.69, 17,909.77 and 3,176.49 is: 4,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.69 : 17,909.77 = 3,176.49 : x
  2. Step 2: Convert to fraction form
    11,940.69/17,909.77 = 3,176.49/x
  3. Step 3: Cross multiply
    11,940.69x = 17,909.77 × 3,176.49
  4. Step 4: Simplify right side
    11,940.69x = 56,890,205.31
  5. Step 5: Solve for x
    x = 56,890,205.31/11,940.69
  6. Step 6: Final answer
    x = 4,764.40

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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.