Home / 8,578.35-11,840.00-5,043.61

Finding the Fourth Proportional to 8,578.35, 11,840.00 and 5,043.61

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Solution

The fourth proportional to 8,578.35, 11,840.00 and 5,043.61 is: 6,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.35 : 11,840.00 = 5,043.61 : x
  2. Step 2: Convert to fraction form
    8,578.35/11,840.00 = 5,043.61/x
  3. Step 3: Cross multiply
    8,578.35x = 11,840.00 × 5,043.61
  4. Step 4: Simplify right side
    8,578.35x = 59,716,287.58
  5. Step 5: Solve for x
    x = 59,716,287.58/8,578.35
  6. Step 6: Final answer
    x = 6,961.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.