Home / 11,716.08-16,173.45-7,472.85

Finding the Fourth Proportional to 11,716.08, 16,173.45 and 7,472.85

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Solution

The fourth proportional to 11,716.08, 16,173.45 and 7,472.85 is: 10,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.08 : 16,173.45 = 7,472.85 : x
  2. Step 2: Convert to fraction form
    11,716.08/16,173.45 = 7,472.85/x
  3. Step 3: Cross multiply
    11,716.08x = 16,173.45 × 7,472.85
  4. Step 4: Simplify right side
    11,716.08x = 120,861,765.83
  5. Step 5: Solve for x
    x = 120,861,765.83/11,716.08
  6. Step 6: Final answer
    x = 10,315.89

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1.5x scale

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.