Home / 11,628.68-17,435.46-4,231.76

Finding the Fourth Proportional to 11,628.68, 17,435.46 and 4,231.76

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Solution

The fourth proportional to 11,628.68, 17,435.46 and 4,231.76 is: 6,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.68 : 17,435.46 = 4,231.76 : x
  2. Step 2: Convert to fraction form
    11,628.68/17,435.46 = 4,231.76/x
  3. Step 3: Cross multiply
    11,628.68x = 17,435.46 × 4,231.76
  4. Step 4: Simplify right side
    11,628.68x = 73,782,682.21
  5. Step 5: Solve for x
    x = 73,782,682.21/11,628.68
  6. Step 6: Final answer
    x = 6,344.89

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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.