Home / 10,631.38-15,948.87-3,236.56

Finding the Fourth Proportional to 10,631.38, 15,948.87 and 3,236.56

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Solution

The fourth proportional to 10,631.38, 15,948.87 and 3,236.56 is: 4,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.38 : 15,948.87 = 3,236.56 : x
  2. Step 2: Convert to fraction form
    10,631.38/15,948.87 = 3,236.56/x
  3. Step 3: Cross multiply
    10,631.38x = 15,948.87 × 3,236.56
  4. Step 4: Simplify right side
    10,631.38x = 51,619,474.69
  5. Step 5: Solve for x
    x = 51,619,474.69/10,631.38
  6. Step 6: Final answer
    x = 4,855.39

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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.