Home / 11,173.74-16,761.42-3,778.98

Finding the Fourth Proportional to 11,173.74, 16,761.42 and 3,778.98

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Solution

The fourth proportional to 11,173.74, 16,761.42 and 3,778.98 is: 5,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.74 : 16,761.42 = 3,778.98 : x
  2. Step 2: Convert to fraction form
    11,173.74/16,761.42 = 3,778.98/x
  3. Step 3: Cross multiply
    11,173.74x = 16,761.42 × 3,778.98
  4. Step 4: Simplify right side
    11,173.74x = 63,341,070.95
  5. Step 5: Solve for x
    x = 63,341,070.95/11,173.74
  6. Step 6: Final answer
    x = 5,668.74

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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.