Home / 10,871.12-14,996.66-6,392.03

Finding the Fourth Proportional to 10,871.12, 14,996.66 and 6,392.03

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Solution

The fourth proportional to 10,871.12, 14,996.66 and 6,392.03 is: 8,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.12 : 14,996.66 = 6,392.03 : x
  2. Step 2: Convert to fraction form
    10,871.12/14,996.66 = 6,392.03/x
  3. Step 3: Cross multiply
    10,871.12x = 14,996.66 × 6,392.03
  4. Step 4: Simplify right side
    10,871.12x = 95,858,993.68
  5. Step 5: Solve for x
    x = 95,858,993.68/10,871.12
  6. Step 6: Final answer
    x = 8,817.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.