Home / 10,505.15-15,753.26-3,926.73

Finding the Fourth Proportional to 10,505.15, 15,753.26 and 3,926.73

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Solution

The fourth proportional to 10,505.15, 15,753.26 and 3,926.73 is: 5,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.15 : 15,753.26 = 3,926.73 : x
  2. Step 2: Convert to fraction form
    10,505.15/15,753.26 = 3,926.73/x
  3. Step 3: Cross multiply
    10,505.15x = 15,753.26 × 3,926.73
  4. Step 4: Simplify right side
    10,505.15x = 61,858,808.46
  5. Step 5: Solve for x
    x = 61,858,808.46/10,505.15
  6. Step 6: Final answer
    x = 5,888.43

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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.