Home / 11,944.92-17,921.76-4,155.96

Finding the Fourth Proportional to 11,944.92, 17,921.76 and 4,155.96

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Solution

The fourth proportional to 11,944.92, 17,921.76 and 4,155.96 is: 6,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.92 : 17,921.76 = 4,155.96 : x
  2. Step 2: Convert to fraction form
    11,944.92/17,921.76 = 4,155.96/x
  3. Step 3: Cross multiply
    11,944.92x = 17,921.76 × 4,155.96
  4. Step 4: Simplify right side
    11,944.92x = 74,482,117.69
  5. Step 5: Solve for x
    x = 74,482,117.69/11,944.92
  6. Step 6: Final answer
    x = 6,235.46

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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.