Home / 10,935.62-16,402.91-5,009.09

Finding the Fourth Proportional to 10,935.62, 16,402.91 and 5,009.09

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Solution

The fourth proportional to 10,935.62, 16,402.91 and 5,009.09 is: 7,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.62 : 16,402.91 = 5,009.09 : x
  2. Step 2: Convert to fraction form
    10,935.62/16,402.91 = 5,009.09/x
  3. Step 3: Cross multiply
    10,935.62x = 16,402.91 × 5,009.09
  4. Step 4: Simplify right side
    10,935.62x = 82,163,625.69
  5. Step 5: Solve for x
    x = 82,163,625.69/10,935.62
  6. Step 6: Final answer
    x = 7,513.39

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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.