Home / 8,400.51-12,589.74-3,467.43

Finding the Fourth Proportional to 8,400.51, 12,589.74 and 3,467.43

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Solution

The fourth proportional to 8,400.51, 12,589.74 and 3,467.43 is: 5,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.51 : 12,589.74 = 3,467.43 : x
  2. Step 2: Convert to fraction form
    8,400.51/12,589.74 = 3,467.43/x
  3. Step 3: Cross multiply
    8,400.51x = 12,589.74 × 3,467.43
  4. Step 4: Simplify right side
    8,400.51x = 43,654,042.17
  5. Step 5: Solve for x
    x = 43,654,042.17/8,400.51
  6. Step 6: Final answer
    x = 5,196.59

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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.