Home / 10,933.67-15,087.96-6,691.79

Finding the Fourth Proportional to 10,933.67, 15,087.96 and 6,691.79

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Solution

The fourth proportional to 10,933.67, 15,087.96 and 6,691.79 is: 9,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.67 : 15,087.96 = 6,691.79 : x
  2. Step 2: Convert to fraction form
    10,933.67/15,087.96 = 6,691.79/x
  3. Step 3: Cross multiply
    10,933.67x = 15,087.96 × 6,691.79
  4. Step 4: Simplify right side
    10,933.67x = 100,965,384.41
  5. Step 5: Solve for x
    x = 100,965,384.41/10,933.67
  6. Step 6: Final answer
    x = 9,234.36

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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.