Home / 10,874.96-16,314.28-3,479.44

Finding the Fourth Proportional to 10,874.96, 16,314.28 and 3,479.44

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Solution

The fourth proportional to 10,874.96, 16,314.28 and 3,479.44 is: 5,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.96 : 16,314.28 = 3,479.44 : x
  2. Step 2: Convert to fraction form
    10,874.96/16,314.28 = 3,479.44/x
  3. Step 3: Cross multiply
    10,874.96x = 16,314.28 × 3,479.44
  4. Step 4: Simplify right side
    10,874.96x = 56,764,558.40
  5. Step 5: Solve for x
    x = 56,764,558.40/10,874.96
  6. Step 6: Final answer
    x = 5,219.75

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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.