Home / 7,968.71-11,940.58-5,040.83

Finding the Fourth Proportional to 7,968.71, 11,940.58 and 5,040.83

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Solution

The fourth proportional to 7,968.71, 11,940.58 and 5,040.83 is: 7,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.71 : 11,940.58 = 5,040.83 : x
  2. Step 2: Convert to fraction form
    7,968.71/11,940.58 = 5,040.83/x
  3. Step 3: Cross multiply
    7,968.71x = 11,940.58 × 5,040.83
  4. Step 4: Simplify right side
    7,968.71x = 60,190,451.13
  5. Step 5: Solve for x
    x = 60,190,451.13/7,968.71
  6. Step 6: Final answer
    x = 7,553.35

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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.