Home / 8,443.36-12,668.24-3,512.59

Finding the Fourth Proportional to 8,443.36, 12,668.24 and 3,512.59

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Solution

The fourth proportional to 8,443.36, 12,668.24 and 3,512.59 is: 5,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.36 : 12,668.24 = 3,512.59 : x
  2. Step 2: Convert to fraction form
    8,443.36/12,668.24 = 3,512.59/x
  3. Step 3: Cross multiply
    8,443.36x = 12,668.24 × 3,512.59
  4. Step 4: Simplify right side
    8,443.36x = 44,498,283.91
  5. Step 5: Solve for x
    x = 44,498,283.91/8,443.36
  6. Step 6: Final answer
    x = 5,270.21

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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.