Home / 9,704.20-13,391.80-5,512.44

Finding the Fourth Proportional to 9,704.20, 13,391.80 and 5,512.44

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Solution

The fourth proportional to 9,704.20, 13,391.80 and 5,512.44 is: 7,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,704.20 : 13,391.80 = 5,512.44 : x
  2. Step 2: Convert to fraction form
    9,704.20/13,391.80 = 5,512.44/x
  3. Step 3: Cross multiply
    9,704.20x = 13,391.80 × 5,512.44
  4. Step 4: Simplify right side
    9,704.20x = 73,821,493.99
  5. Step 5: Solve for x
    x = 73,821,493.99/9,704.20
  6. Step 6: Final answer
    x = 7,607.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.