Home / 7,940.34-11,903.45-3,013.44

Finding the Fourth Proportional to 7,940.34, 11,903.45 and 3,013.44

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Solution

The fourth proportional to 7,940.34, 11,903.45 and 3,013.44 is: 4,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.34 : 11,903.45 = 3,013.44 : x
  2. Step 2: Convert to fraction form
    7,940.34/11,903.45 = 3,013.44/x
  3. Step 3: Cross multiply
    7,940.34x = 11,903.45 × 3,013.44
  4. Step 4: Simplify right side
    7,940.34x = 35,870,317.30
  5. Step 5: Solve for x
    x = 35,870,317.30/7,940.34
  6. Step 6: Final answer
    x = 4,517.48

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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.