Home / 12,476.72-18,698.92-5,072.52

Finding the Fourth Proportional to 12,476.72, 18,698.92 and 5,072.52

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Solution

The fourth proportional to 12,476.72, 18,698.92 and 5,072.52 is: 7,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.72 : 18,698.92 = 5,072.52 : x
  2. Step 2: Convert to fraction form
    12,476.72/18,698.92 = 5,072.52/x
  3. Step 3: Cross multiply
    12,476.72x = 18,698.92 × 5,072.52
  4. Step 4: Simplify right side
    12,476.72x = 94,850,645.68
  5. Step 5: Solve for x
    x = 94,850,645.68/12,476.72
  6. Step 6: Final answer
    x = 7,602.21

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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.