Home / 12,072.98-18,114.56-4,682.64

Finding the Fourth Proportional to 12,072.98, 18,114.56 and 4,682.64

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Solution

The fourth proportional to 12,072.98, 18,114.56 and 4,682.64 is: 7,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.98 : 18,114.56 = 4,682.64 : x
  2. Step 2: Convert to fraction form
    12,072.98/18,114.56 = 4,682.64/x
  3. Step 3: Cross multiply
    12,072.98x = 18,114.56 × 4,682.64
  4. Step 4: Simplify right side
    12,072.98x = 84,823,939.83
  5. Step 5: Solve for x
    x = 84,823,939.83/12,072.98
  6. Step 6: Final answer
    x = 7,025.94

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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.