Home / 11,176.98-16,753.78-3,778.91

Finding the Fourth Proportional to 11,176.98, 16,753.78 and 3,778.91

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Solution

The fourth proportional to 11,176.98, 16,753.78 and 3,778.91 is: 5,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.98 : 16,753.78 = 3,778.91 : x
  2. Step 2: Convert to fraction form
    11,176.98/16,753.78 = 3,778.91/x
  3. Step 3: Cross multiply
    11,176.98x = 16,753.78 × 3,778.91
  4. Step 4: Simplify right side
    11,176.98x = 63,311,026.78
  5. Step 5: Solve for x
    x = 63,311,026.78/11,176.98
  6. Step 6: Final answer
    x = 5,664.41

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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.