Home / 12,732.95-19,099.38-3,967.87

Finding the Fourth Proportional to 12,732.95, 19,099.38 and 3,967.87

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Solution

The fourth proportional to 12,732.95, 19,099.38 and 3,967.87 is: 5,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.95 : 19,099.38 = 3,967.87 : x
  2. Step 2: Convert to fraction form
    12,732.95/19,099.38 = 3,967.87/x
  3. Step 3: Cross multiply
    12,732.95x = 19,099.38 × 3,967.87
  4. Step 4: Simplify right side
    12,732.95x = 75,783,856.92
  5. Step 5: Solve for x
    x = 75,783,856.92/12,732.95
  6. Step 6: Final answer
    x = 5,951.79

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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.