Home / 11,706.54-17,558.45-2,940.78

Finding the Fourth Proportional to 11,706.54, 17,558.45 and 2,940.78

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Solution

The fourth proportional to 11,706.54, 17,558.45 and 2,940.78 is: 4,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.54 : 17,558.45 = 2,940.78 : x
  2. Step 2: Convert to fraction form
    11,706.54/17,558.45 = 2,940.78/x
  3. Step 3: Cross multiply
    11,706.54x = 17,558.45 × 2,940.78
  4. Step 4: Simplify right side
    11,706.54x = 51,635,538.59
  5. Step 5: Solve for x
    x = 51,635,538.59/11,706.54
  6. Step 6: Final answer
    x = 4,410.83

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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.