Home / 7,220.24-9,960.30-4,983.36

Finding the Fourth Proportional to 7,220.24, 9,960.30 and 4,983.36

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Solution

The fourth proportional to 7,220.24, 9,960.30 and 4,983.36 is: 6,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.24 : 9,960.30 = 4,983.36 : x
  2. Step 2: Convert to fraction form
    7,220.24/9,960.30 = 4,983.36/x
  3. Step 3: Cross multiply
    7,220.24x = 9,960.30 × 4,983.36
  4. Step 4: Simplify right side
    7,220.24x = 49,635,723.26
  5. Step 5: Solve for x
    x = 49,635,723.26/7,220.24
  6. Step 6: Final answer
    x = 6,874.53

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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.