Home / 10,216.36-15,320.22-3,194.49

Finding the Fourth Proportional to 10,216.36, 15,320.22 and 3,194.49

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Solution

The fourth proportional to 10,216.36, 15,320.22 and 3,194.49 is: 4,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.36 : 15,320.22 = 3,194.49 : x
  2. Step 2: Convert to fraction form
    10,216.36/15,320.22 = 3,194.49/x
  3. Step 3: Cross multiply
    10,216.36x = 15,320.22 × 3,194.49
  4. Step 4: Simplify right side
    10,216.36x = 48,940,289.59
  5. Step 5: Solve for x
    x = 48,940,289.59/10,216.36
  6. Step 6: Final answer
    x = 4,790.38

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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.