Home / 12,475.68-18,716.52-4,684.56

Finding the Fourth Proportional to 12,475.68, 18,716.52 and 4,684.56

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Solution

The fourth proportional to 12,475.68, 18,716.52 and 4,684.56 is: 7,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.68 : 18,716.52 = 4,684.56 : x
  2. Step 2: Convert to fraction form
    12,475.68/18,716.52 = 4,684.56/x
  3. Step 3: Cross multiply
    12,475.68x = 18,716.52 × 4,684.56
  4. Step 4: Simplify right side
    12,475.68x = 87,678,660.93
  5. Step 5: Solve for x
    x = 87,678,660.93/12,475.68
  6. Step 6: Final answer
    x = 7,027.97

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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.