Home / 11,764.62-17,640.32-4,740.84

Finding the Fourth Proportional to 11,764.62, 17,640.32 and 4,740.84

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Solution

The fourth proportional to 11,764.62, 17,640.32 and 4,740.84 is: 7,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.62 : 17,640.32 = 4,740.84 : x
  2. Step 2: Convert to fraction form
    11,764.62/17,640.32 = 4,740.84/x
  3. Step 3: Cross multiply
    11,764.62x = 17,640.32 × 4,740.84
  4. Step 4: Simplify right side
    11,764.62x = 83,629,910.96
  5. Step 5: Solve for x
    x = 83,629,910.96/11,764.62
  6. Step 6: Final answer
    x = 7,108.59

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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.