Home / 12,072.71-18,098.60-4,672.08

Finding the Fourth Proportional to 12,072.71, 18,098.60 and 4,672.08

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Solution

The fourth proportional to 12,072.71, 18,098.60 and 4,672.08 is: 7,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.71 : 18,098.60 = 4,672.08 : x
  2. Step 2: Convert to fraction form
    12,072.71/18,098.60 = 4,672.08/x
  3. Step 3: Cross multiply
    12,072.71x = 18,098.60 × 4,672.08
  4. Step 4: Simplify right side
    12,072.71x = 84,557,993.23
  5. Step 5: Solve for x
    x = 84,557,993.23/12,072.71
  6. Step 6: Final answer
    x = 7,004.06

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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.