Home / 10,869.77-16,304.66-5,674.43

Finding the Fourth Proportional to 10,869.77, 16,304.66 and 5,674.43

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Solution

The fourth proportional to 10,869.77, 16,304.66 and 5,674.43 is: 8,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.77 : 16,304.66 = 5,674.43 : x
  2. Step 2: Convert to fraction form
    10,869.77/16,304.66 = 5,674.43/x
  3. Step 3: Cross multiply
    10,869.77x = 16,304.66 × 5,674.43
  4. Step 4: Simplify right side
    10,869.77x = 92,519,651.84
  5. Step 5: Solve for x
    x = 92,519,651.84/10,869.77
  6. Step 6: Final answer
    x = 8,511.65

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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.