Home / 11,424.60-17,138.16-3,631.59

Finding the Fourth Proportional to 11,424.60, 17,138.16 and 3,631.59

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Solution

The fourth proportional to 11,424.60, 17,138.16 and 3,631.59 is: 5,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.60 : 17,138.16 = 3,631.59 : x
  2. Step 2: Convert to fraction form
    11,424.60/17,138.16 = 3,631.59/x
  3. Step 3: Cross multiply
    11,424.60x = 17,138.16 × 3,631.59
  4. Step 4: Simplify right side
    11,424.60x = 62,238,770.47
  5. Step 5: Solve for x
    x = 62,238,770.47/11,424.60
  6. Step 6: Final answer
    x = 5,447.79

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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.