Home / 11,760.85-16,231.26-7,515.82

Finding the Fourth Proportional to 11,760.85, 16,231.26 and 7,515.82

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Solution

The fourth proportional to 11,760.85, 16,231.26 and 7,515.82 is: 10,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.85 : 16,231.26 = 7,515.82 : x
  2. Step 2: Convert to fraction form
    11,760.85/16,231.26 = 7,515.82/x
  3. Step 3: Cross multiply
    11,760.85x = 16,231.26 × 7,515.82
  4. Step 4: Simplify right side
    11,760.85x = 121,991,228.53
  5. Step 5: Solve for x
    x = 121,991,228.53/11,760.85
  6. Step 6: Final answer
    x = 10,372.65

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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.