Home / 10,103.17-15,161.68-3,529.36

Finding the Fourth Proportional to 10,103.17, 15,161.68 and 3,529.36

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Solution

The fourth proportional to 10,103.17, 15,161.68 and 3,529.36 is: 5,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.17 : 15,161.68 = 3,529.36 : x
  2. Step 2: Convert to fraction form
    10,103.17/15,161.68 = 3,529.36/x
  3. Step 3: Cross multiply
    10,103.17x = 15,161.68 × 3,529.36
  4. Step 4: Simplify right side
    10,103.17x = 53,511,026.92
  5. Step 5: Solve for x
    x = 53,511,026.92/10,103.17
  6. Step 6: Final answer
    x = 5,296.46

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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.