Home / 8,451.25-12,668.37-3,523.62

Finding the Fourth Proportional to 8,451.25, 12,668.37 and 3,523.62

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Solution

The fourth proportional to 8,451.25, 12,668.37 and 3,523.62 is: 5,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.25 : 12,668.37 = 3,523.62 : x
  2. Step 2: Convert to fraction form
    8,451.25/12,668.37 = 3,523.62/x
  3. Step 3: Cross multiply
    8,451.25x = 12,668.37 × 3,523.62
  4. Step 4: Simplify right side
    8,451.25x = 44,638,521.90
  5. Step 5: Solve for x
    x = 44,638,521.90/8,451.25
  6. Step 6: Final answer
    x = 5,281.88

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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.