Home / 10,745.12-16,105.26-5,475.08

Finding the Fourth Proportional to 10,745.12, 16,105.26 and 5,475.08

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Solution

The fourth proportional to 10,745.12, 16,105.26 and 5,475.08 is: 8,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.12 : 16,105.26 = 5,475.08 : x
  2. Step 2: Convert to fraction form
    10,745.12/16,105.26 = 5,475.08/x
  3. Step 3: Cross multiply
    10,745.12x = 16,105.26 × 5,475.08
  4. Step 4: Simplify right side
    10,745.12x = 88,177,586.92
  5. Step 5: Solve for x
    x = 88,177,586.92/10,745.12
  6. Step 6: Final answer
    x = 8,206.29

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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.