Home / 12,130.26-18,194.82-4,736.06

Finding the Fourth Proportional to 12,130.26, 18,194.82 and 4,736.06

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Solution

The fourth proportional to 12,130.26, 18,194.82 and 4,736.06 is: 7,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.26 : 18,194.82 = 4,736.06 : x
  2. Step 2: Convert to fraction form
    12,130.26/18,194.82 = 4,736.06/x
  3. Step 3: Cross multiply
    12,130.26x = 18,194.82 × 4,736.06
  4. Step 4: Simplify right side
    12,130.26x = 86,171,759.21
  5. Step 5: Solve for x
    x = 86,171,759.21/12,130.26
  6. Step 6: Final answer
    x = 7,103.87

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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.