Home / 11,739.92-17,612.49-3,948.50

Finding the Fourth Proportional to 11,739.92, 17,612.49 and 3,948.50

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Solution

The fourth proportional to 11,739.92, 17,612.49 and 3,948.50 is: 5,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.92 : 17,612.49 = 3,948.50 : x
  2. Step 2: Convert to fraction form
    11,739.92/17,612.49 = 3,948.50/x
  3. Step 3: Cross multiply
    11,739.92x = 17,612.49 × 3,948.50
  4. Step 4: Simplify right side
    11,739.92x = 69,542,916.77
  5. Step 5: Solve for x
    x = 69,542,916.77/11,739.92
  6. Step 6: Final answer
    x = 5,923.63

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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.