Home / 10,983.68-16,473.72-3,190.64

Finding the Fourth Proportional to 10,983.68, 16,473.72 and 3,190.64

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Solution

The fourth proportional to 10,983.68, 16,473.72 and 3,190.64 is: 4,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.68 : 16,473.72 = 3,190.64 : x
  2. Step 2: Convert to fraction form
    10,983.68/16,473.72 = 3,190.64/x
  3. Step 3: Cross multiply
    10,983.68x = 16,473.72 × 3,190.64
  4. Step 4: Simplify right side
    10,983.68x = 52,561,709.98
  5. Step 5: Solve for x
    x = 52,561,709.98/10,983.68
  6. Step 6: Final answer
    x = 4,785.44

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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.