Home / 8,542.97-12,816.73-2,699.58

Finding the Fourth Proportional to 8,542.97, 12,816.73 and 2,699.58

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Solution

The fourth proportional to 8,542.97, 12,816.73 and 2,699.58 is: 4,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.97 : 12,816.73 = 2,699.58 : x
  2. Step 2: Convert to fraction form
    8,542.97/12,816.73 = 2,699.58/x
  3. Step 3: Cross multiply
    8,542.97x = 12,816.73 × 2,699.58
  4. Step 4: Simplify right side
    8,542.97x = 34,599,767.32
  5. Step 5: Solve for x
    x = 34,599,767.32/8,542.97
  6. Step 6: Final answer
    x = 4,050.09

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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.