Home / 10,936.50-15,092.91-6,221.22

Finding the Fourth Proportional to 10,936.50, 15,092.91 and 6,221.22

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Solution

The fourth proportional to 10,936.50, 15,092.91 and 6,221.22 is: 8,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.50 : 15,092.91 = 6,221.22 : x
  2. Step 2: Convert to fraction form
    10,936.50/15,092.91 = 6,221.22/x
  3. Step 3: Cross multiply
    10,936.50x = 15,092.91 × 6,221.22
  4. Step 4: Simplify right side
    10,936.50x = 93,896,313.55
  5. Step 5: Solve for x
    x = 93,896,313.55/10,936.50
  6. Step 6: Final answer
    x = 8,585.59

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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.