Home / 10,780.24-16,166.32-3,758.44

Finding the Fourth Proportional to 10,780.24, 16,166.32 and 3,758.44

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Solution

The fourth proportional to 10,780.24, 16,166.32 and 3,758.44 is: 5,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.24 : 16,166.32 = 3,758.44 : x
  2. Step 2: Convert to fraction form
    10,780.24/16,166.32 = 3,758.44/x
  3. Step 3: Cross multiply
    10,780.24x = 16,166.32 × 3,758.44
  4. Step 4: Simplify right side
    10,780.24x = 60,760,143.74
  5. Step 5: Solve for x
    x = 60,760,143.74/10,780.24
  6. Step 6: Final answer
    x = 5,636.25

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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.