Home / 7,732.72-11,579.45-6,480.02

Finding the Fourth Proportional to 7,732.72, 11,579.45 and 6,480.02

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Solution

The fourth proportional to 7,732.72, 11,579.45 and 6,480.02 is: 9,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,732.72 : 11,579.45 = 6,480.02 : x
  2. Step 2: Convert to fraction form
    7,732.72/11,579.45 = 6,480.02/x
  3. Step 3: Cross multiply
    7,732.72x = 11,579.45 × 6,480.02
  4. Step 4: Simplify right side
    7,732.72x = 75,035,067.59
  5. Step 5: Solve for x
    x = 75,035,067.59/7,732.72
  6. Step 6: Final answer
    x = 9,703.58

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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.