Home / 6,743.97-10,121.24-4,678.50

Finding the Fourth Proportional to 6,743.97, 10,121.24 and 4,678.50

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Solution

The fourth proportional to 6,743.97, 10,121.24 and 4,678.50 is: 7,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.97 : 10,121.24 = 4,678.50 : x
  2. Step 2: Convert to fraction form
    6,743.97/10,121.24 = 4,678.50/x
  3. Step 3: Cross multiply
    6,743.97x = 10,121.24 × 4,678.50
  4. Step 4: Simplify right side
    6,743.97x = 47,352,270.99
  5. Step 5: Solve for x
    x = 47,352,270.99/6,743.97
  6. Step 6: Final answer
    x = 7,021.43

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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.