Home / 12,133.37-18,189.22-4,736.11

Finding the Fourth Proportional to 12,133.37, 18,189.22 and 4,736.11

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Solution

The fourth proportional to 12,133.37, 18,189.22 and 4,736.11 is: 7,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.37 : 18,189.22 = 4,736.11 : x
  2. Step 2: Convert to fraction form
    12,133.37/18,189.22 = 4,736.11/x
  3. Step 3: Cross multiply
    12,133.37x = 18,189.22 × 4,736.11
  4. Step 4: Simplify right side
    12,133.37x = 86,146,146.73
  5. Step 5: Solve for x
    x = 86,146,146.73/12,133.37
  6. Step 6: Final answer
    x = 7,099.94

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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.