Home / 10,873.87-16,305.66-4,213.49

Finding the Fourth Proportional to 10,873.87, 16,305.66 and 4,213.49

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Solution

The fourth proportional to 10,873.87, 16,305.66 and 4,213.49 is: 6,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.87 : 16,305.66 = 4,213.49 : x
  2. Step 2: Convert to fraction form
    10,873.87/16,305.66 = 4,213.49/x
  3. Step 3: Cross multiply
    10,873.87x = 16,305.66 × 4,213.49
  4. Step 4: Simplify right side
    10,873.87x = 68,703,735.35
  5. Step 5: Solve for x
    x = 68,703,735.35/10,873.87
  6. Step 6: Final answer
    x = 6,318.24

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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.