Home / 10,965.13-16,440.46-3,941.62

Finding the Fourth Proportional to 10,965.13, 16,440.46 and 3,941.62

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Solution

The fourth proportional to 10,965.13, 16,440.46 and 3,941.62 is: 5,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.13 : 16,440.46 = 3,941.62 : x
  2. Step 2: Convert to fraction form
    10,965.13/16,440.46 = 3,941.62/x
  3. Step 3: Cross multiply
    10,965.13x = 16,440.46 × 3,941.62
  4. Step 4: Simplify right side
    10,965.13x = 64,802,045.95
  5. Step 5: Solve for x
    x = 64,802,045.95/10,965.13
  6. Step 6: Final answer
    x = 5,909.83

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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.