Home / 11,463.20-17,194.80-3,672.80

Finding the Fourth Proportional to 11,463.20, 17,194.80 and 3,672.80

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Solution

The fourth proportional to 11,463.20, 17,194.80 and 3,672.80 is: 5,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.20 : 17,194.80 = 3,672.80 : x
  2. Step 2: Convert to fraction form
    11,463.20/17,194.80 = 3,672.80/x
  3. Step 3: Cross multiply
    11,463.20x = 17,194.80 × 3,672.80
  4. Step 4: Simplify right side
    11,463.20x = 63,153,061.44
  5. Step 5: Solve for x
    x = 63,153,061.44/11,463.20
  6. Step 6: Final answer
    x = 5,509.20

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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.