Home / 10,379.30-15,568.85-2,983.73

Finding the Fourth Proportional to 10,379.30, 15,568.85 and 2,983.73

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Solution

The fourth proportional to 10,379.30, 15,568.85 and 2,983.73 is: 4,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.30 : 15,568.85 = 2,983.73 : x
  2. Step 2: Convert to fraction form
    10,379.30/15,568.85 = 2,983.73/x
  3. Step 3: Cross multiply
    10,379.30x = 15,568.85 × 2,983.73
  4. Step 4: Simplify right side
    10,379.30x = 46,453,174.43
  5. Step 5: Solve for x
    x = 46,453,174.43/10,379.30
  6. Step 6: Final answer
    x = 4,475.56

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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.