Home / 11,298.20-16,935.78-8,003.48

Finding the Fourth Proportional to 11,298.20, 16,935.78 and 8,003.48

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Solution

The fourth proportional to 11,298.20, 16,935.78 and 8,003.48 is: 11,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.20 : 16,935.78 = 8,003.48 : x
  2. Step 2: Convert to fraction form
    11,298.20/16,935.78 = 8,003.48/x
  3. Step 3: Cross multiply
    11,298.20x = 16,935.78 × 8,003.48
  4. Step 4: Simplify right side
    11,298.20x = 135,545,176.51
  5. Step 5: Solve for x
    x = 135,545,176.51/11,298.20
  6. Step 6: Final answer
    x = 11,997.06

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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.