Home / 6,940.12-9,580.49-4,425.61

Finding the Fourth Proportional to 6,940.12, 9,580.49 and 4,425.61

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Solution

The fourth proportional to 6,940.12, 9,580.49 and 4,425.61 is: 6,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.12 : 9,580.49 = 4,425.61 : x
  2. Step 2: Convert to fraction form
    6,940.12/9,580.49 = 4,425.61/x
  3. Step 3: Cross multiply
    6,940.12x = 9,580.49 × 4,425.61
  4. Step 4: Simplify right side
    6,940.12x = 42,399,512.35
  5. Step 5: Solve for x
    x = 42,399,512.35/6,940.12
  6. Step 6: Final answer
    x = 6,109.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.