Home / 10,788.14-16,176.80-6,286.66

Finding the Fourth Proportional to 10,788.14, 16,176.80 and 6,286.66

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Solution

The fourth proportional to 10,788.14, 16,176.80 and 6,286.66 is: 9,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.14 : 16,176.80 = 6,286.66 : x
  2. Step 2: Convert to fraction form
    10,788.14/16,176.80 = 6,286.66/x
  3. Step 3: Cross multiply
    10,788.14x = 16,176.80 × 6,286.66
  4. Step 4: Simplify right side
    10,788.14x = 101,697,960.60
  5. Step 5: Solve for x
    x = 101,697,960.60/10,788.14
  6. Step 6: Final answer
    x = 9,426.83

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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.