Home / 12,265.31-18,392.44-3,498.14

Finding the Fourth Proportional to 12,265.31, 18,392.44 and 3,498.14

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Solution

The fourth proportional to 12,265.31, 18,392.44 and 3,498.14 is: 5,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.31 : 18,392.44 = 3,498.14 : x
  2. Step 2: Convert to fraction form
    12,265.31/18,392.44 = 3,498.14/x
  3. Step 3: Cross multiply
    12,265.31x = 18,392.44 × 3,498.14
  4. Step 4: Simplify right side
    12,265.31x = 64,339,330.06
  5. Step 5: Solve for x
    x = 64,339,330.06/12,265.31
  6. Step 6: Final answer
    x = 5,245.63

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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.