Home / 12,469.17-18,704.58-4,148.85

Finding the Fourth Proportional to 12,469.17, 18,704.58 and 4,148.85

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Solution

The fourth proportional to 12,469.17, 18,704.58 and 4,148.85 is: 6,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.17 : 18,704.58 = 4,148.85 : x
  2. Step 2: Convert to fraction form
    12,469.17/18,704.58 = 4,148.85/x
  3. Step 3: Cross multiply
    12,469.17x = 18,704.58 × 4,148.85
  4. Step 4: Simplify right side
    12,469.17x = 77,602,496.73
  5. Step 5: Solve for x
    x = 77,602,496.73/12,469.17
  6. Step 6: Final answer
    x = 6,223.55

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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.