Home / 12,025.97-18,042.85-5,786.47

Finding the Fourth Proportional to 12,025.97, 18,042.85 and 5,786.47

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Solution

The fourth proportional to 12,025.97, 18,042.85 and 5,786.47 is: 8,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.97 : 18,042.85 = 5,786.47 : x
  2. Step 2: Convert to fraction form
    12,025.97/18,042.85 = 5,786.47/x
  3. Step 3: Cross multiply
    12,025.97x = 18,042.85 × 5,786.47
  4. Step 4: Simplify right side
    12,025.97x = 104,404,440.03
  5. Step 5: Solve for x
    x = 104,404,440.03/12,025.97
  6. Step 6: Final answer
    x = 8,681.58

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1.5x scale

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.