Home / 11,163.92-16,745.85-8,700.58

Finding the Fourth Proportional to 11,163.92, 16,745.85 and 8,700.58

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Solution

The fourth proportional to 11,163.92, 16,745.85 and 8,700.58 is: 13,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.92 : 16,745.85 = 8,700.58 : x
  2. Step 2: Convert to fraction form
    11,163.92/16,745.85 = 8,700.58/x
  3. Step 3: Cross multiply
    11,163.92x = 16,745.85 × 8,700.58
  4. Step 4: Simplify right side
    11,163.92x = 145,698,628.53
  5. Step 5: Solve for x
    x = 145,698,628.53/11,163.92
  6. Step 6: Final answer
    x = 13,050.85

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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.