Home / 27,211.30-40,817.22-8,236.09

Finding the Fourth Proportional to 27,211.30, 40,817.22 and 8,236.09

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Solution

The fourth proportional to 27,211.30, 40,817.22 and 8,236.09 is: 12,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.30 : 40,817.22 = 8,236.09 : x
  2. Step 2: Convert to fraction form
    27,211.30/40,817.22 = 8,236.09/x
  3. Step 3: Cross multiply
    27,211.30x = 40,817.22 × 8,236.09
  4. Step 4: Simplify right side
    27,211.30x = 336,174,297.47
  5. Step 5: Solve for x
    x = 336,174,297.47/27,211.30
  6. Step 6: Final answer
    x = 12,354.22

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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.