Home / 10,690.68-16,036.11-3,295.20

Finding the Fourth Proportional to 10,690.68, 16,036.11 and 3,295.20

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Solution

The fourth proportional to 10,690.68, 16,036.11 and 3,295.20 is: 4,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.68 : 16,036.11 = 3,295.20 : x
  2. Step 2: Convert to fraction form
    10,690.68/16,036.11 = 3,295.20/x
  3. Step 3: Cross multiply
    10,690.68x = 16,036.11 × 3,295.20
  4. Step 4: Simplify right side
    10,690.68x = 52,842,189.67
  5. Step 5: Solve for x
    x = 52,842,189.67/10,690.68
  6. Step 6: Final answer
    x = 4,942.83

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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.