Home / 10,222.17-15,326.09-3,976.92

Finding the Fourth Proportional to 10,222.17, 15,326.09 and 3,976.92

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Solution

The fourth proportional to 10,222.17, 15,326.09 and 3,976.92 is: 5,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.17 : 15,326.09 = 3,976.92 : x
  2. Step 2: Convert to fraction form
    10,222.17/15,326.09 = 3,976.92/x
  3. Step 3: Cross multiply
    10,222.17x = 15,326.09 × 3,976.92
  4. Step 4: Simplify right side
    10,222.17x = 60,950,660.79
  5. Step 5: Solve for x
    x = 60,950,660.79/10,222.17
  6. Step 6: Final answer
    x = 5,962.59

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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.