Home / 7,704.20-11,549.37-2,772.68

Finding the Fourth Proportional to 7,704.20, 11,549.37 and 2,772.68

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Solution

The fourth proportional to 7,704.20, 11,549.37 and 2,772.68 is: 4,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.20 : 11,549.37 = 2,772.68 : x
  2. Step 2: Convert to fraction form
    7,704.20/11,549.37 = 2,772.68/x
  3. Step 3: Cross multiply
    7,704.20x = 11,549.37 × 2,772.68
  4. Step 4: Simplify right side
    7,704.20x = 32,022,707.21
  5. Step 5: Solve for x
    x = 32,022,707.21/7,704.20
  6. Step 6: Final answer
    x = 4,156.53

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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.