Home / 8,348.40-12,519.36-3,668.22

Finding the Fourth Proportional to 8,348.40, 12,519.36 and 3,668.22

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Solution

The fourth proportional to 8,348.40, 12,519.36 and 3,668.22 is: 5,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.40 : 12,519.36 = 3,668.22 : x
  2. Step 2: Convert to fraction form
    8,348.40/12,519.36 = 3,668.22/x
  3. Step 3: Cross multiply
    8,348.40x = 12,519.36 × 3,668.22
  4. Step 4: Simplify right side
    8,348.40x = 45,923,766.74
  5. Step 5: Solve for x
    x = 45,923,766.74/8,348.40
  6. Step 6: Final answer
    x = 5,500.91

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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.