Home / 10,269.68-15,406.40-3,251.46

Finding the Fourth Proportional to 10,269.68, 15,406.40 and 3,251.46

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Solution

The fourth proportional to 10,269.68, 15,406.40 and 3,251.46 is: 4,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.68 : 15,406.40 = 3,251.46 : x
  2. Step 2: Convert to fraction form
    10,269.68/15,406.40 = 3,251.46/x
  3. Step 3: Cross multiply
    10,269.68x = 15,406.40 × 3,251.46
  4. Step 4: Simplify right side
    10,269.68x = 50,093,293.34
  5. Step 5: Solve for x
    x = 50,093,293.34/10,269.68
  6. Step 6: Final answer
    x = 4,877.79

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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.