Home / 10,874.44-16,311.74-2,976.79

Finding the Fourth Proportional to 10,874.44, 16,311.74 and 2,976.79

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Solution

The fourth proportional to 10,874.44, 16,311.74 and 2,976.79 is: 4,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.44 : 16,311.74 = 2,976.79 : x
  2. Step 2: Convert to fraction form
    10,874.44/16,311.74 = 2,976.79/x
  3. Step 3: Cross multiply
    10,874.44x = 16,311.74 × 2,976.79
  4. Step 4: Simplify right side
    10,874.44x = 48,556,624.51
  5. Step 5: Solve for x
    x = 48,556,624.51/10,874.44
  6. Step 6: Final answer
    x = 4,465.21

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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.