Home / 10,691.80-16,038.06-3,296.20

Finding the Fourth Proportional to 10,691.80, 16,038.06 and 3,296.20

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Solution

The fourth proportional to 10,691.80, 16,038.06 and 3,296.20 is: 4,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.80 : 16,038.06 = 3,296.20 : x
  2. Step 2: Convert to fraction form
    10,691.80/16,038.06 = 3,296.20/x
  3. Step 3: Cross multiply
    10,691.80x = 16,038.06 × 3,296.20
  4. Step 4: Simplify right side
    10,691.80x = 52,864,653.37
  5. Step 5: Solve for x
    x = 52,864,653.37/10,691.80
  6. Step 6: Final answer
    x = 4,944.41

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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.