Home / 11,778.24-16,257.64-7,586.52

Finding the Fourth Proportional to 11,778.24, 16,257.64 and 7,586.52

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Solution

The fourth proportional to 11,778.24, 16,257.64 and 7,586.52 is: 10,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.24 : 16,257.64 = 7,586.52 : x
  2. Step 2: Convert to fraction form
    11,778.24/16,257.64 = 7,586.52/x
  3. Step 3: Cross multiply
    11,778.24x = 16,257.64 × 7,586.52
  4. Step 4: Simplify right side
    11,778.24x = 123,338,911.01
  5. Step 5: Solve for x
    x = 123,338,911.01/11,778.24
  6. Step 6: Final answer
    x = 10,471.76

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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.