Home / 10,879.92-16,330.68-5,037.84

Finding the Fourth Proportional to 10,879.92, 16,330.68 and 5,037.84

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Solution

The fourth proportional to 10,879.92, 16,330.68 and 5,037.84 is: 7,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.92 : 16,330.68 = 5,037.84 : x
  2. Step 2: Convert to fraction form
    10,879.92/16,330.68 = 5,037.84/x
  3. Step 3: Cross multiply
    10,879.92x = 16,330.68 × 5,037.84
  4. Step 4: Simplify right side
    10,879.92x = 82,271,352.93
  5. Step 5: Solve for x
    x = 82,271,352.93/10,879.92
  6. Step 6: Final answer
    x = 7,561.76

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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.