Home / 11,227.73-15,489.32-6,748.88

Finding the Fourth Proportional to 11,227.73, 15,489.32 and 6,748.88

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Solution

The fourth proportional to 11,227.73, 15,489.32 and 6,748.88 is: 9,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.73 : 15,489.32 = 6,748.88 : x
  2. Step 2: Convert to fraction form
    11,227.73/15,489.32 = 6,748.88/x
  3. Step 3: Cross multiply
    11,227.73x = 15,489.32 × 6,748.88
  4. Step 4: Simplify right side
    11,227.73x = 104,535,450.77
  5. Step 5: Solve for x
    x = 104,535,450.77/11,227.73
  6. Step 6: Final answer
    x = 9,310.47

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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.