Home / 11,479.92-17,209.74-4,906.77

Finding the Fourth Proportional to 11,479.92, 17,209.74 and 4,906.77

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Solution

The fourth proportional to 11,479.92, 17,209.74 and 4,906.77 is: 7,355.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.92 : 17,209.74 = 4,906.77 : x
  2. Step 2: Convert to fraction form
    11,479.92/17,209.74 = 4,906.77/x
  3. Step 3: Cross multiply
    11,479.92x = 17,209.74 × 4,906.77
  4. Step 4: Simplify right side
    11,479.92x = 84,444,235.94
  5. Step 5: Solve for x
    x = 84,444,235.94/11,479.92
  6. Step 6: Final answer
    x = 7,355.82

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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.