Home / 10,850.60-16,278.41-3,455.05

Finding the Fourth Proportional to 10,850.60, 16,278.41 and 3,455.05

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Solution

The fourth proportional to 10,850.60, 16,278.41 and 3,455.05 is: 5,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.60 : 16,278.41 = 3,455.05 : x
  2. Step 2: Convert to fraction form
    10,850.60/16,278.41 = 3,455.05/x
  3. Step 3: Cross multiply
    10,850.60x = 16,278.41 × 3,455.05
  4. Step 4: Simplify right side
    10,850.60x = 56,242,720.47
  5. Step 5: Solve for x
    x = 56,242,720.47/10,850.60
  6. Step 6: Final answer
    x = 5,183.37

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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.