Home / 8,477.28-12,704.76-3,544.02

Finding the Fourth Proportional to 8,477.28, 12,704.76 and 3,544.02

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Solution

The fourth proportional to 8,477.28, 12,704.76 and 3,544.02 is: 5,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.28 : 12,704.76 = 3,544.02 : x
  2. Step 2: Convert to fraction form
    8,477.28/12,704.76 = 3,544.02/x
  3. Step 3: Cross multiply
    8,477.28x = 12,704.76 × 3,544.02
  4. Step 4: Simplify right side
    8,477.28x = 45,025,923.54
  5. Step 5: Solve for x
    x = 45,025,923.54/8,477.28
  6. Step 6: Final answer
    x = 5,311.36

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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.