Home / 11,660.08-17,491.86-4,163.06

Finding the Fourth Proportional to 11,660.08, 17,491.86 and 4,163.06

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Solution

The fourth proportional to 11,660.08, 17,491.86 and 4,163.06 is: 6,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.08 : 17,491.86 = 4,163.06 : x
  2. Step 2: Convert to fraction form
    11,660.08/17,491.86 = 4,163.06/x
  3. Step 3: Cross multiply
    11,660.08x = 17,491.86 × 4,163.06
  4. Step 4: Simplify right side
    11,660.08x = 72,819,662.69
  5. Step 5: Solve for x
    x = 72,819,662.69/11,660.08
  6. Step 6: Final answer
    x = 6,245.21

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1.5x scale

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.