Home / 12,265.26-18,392.43-3,498.13

Finding the Fourth Proportional to 12,265.26, 18,392.43 and 3,498.13

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Solution

The fourth proportional to 12,265.26, 18,392.43 and 3,498.13 is: 5,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.26 : 18,392.43 = 3,498.13 : x
  2. Step 2: Convert to fraction form
    12,265.26/18,392.43 = 3,498.13/x
  3. Step 3: Cross multiply
    12,265.26x = 18,392.43 × 3,498.13
  4. Step 4: Simplify right side
    12,265.26x = 64,339,019.19
  5. Step 5: Solve for x
    x = 64,339,019.19/12,265.26
  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.