Home / 8,194.88-12,291.51-3,263.20

Finding the Fourth Proportional to 8,194.88, 12,291.51 and 3,263.20

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Solution

The fourth proportional to 8,194.88, 12,291.51 and 3,263.20 is: 4,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.88 : 12,291.51 = 3,263.20 : x
  2. Step 2: Convert to fraction form
    8,194.88/12,291.51 = 3,263.20/x
  3. Step 3: Cross multiply
    8,194.88x = 12,291.51 × 3,263.20
  4. Step 4: Simplify right side
    8,194.88x = 40,109,593.97
  5. Step 5: Solve for x
    x = 40,109,593.97/8,194.88
  6. Step 6: Final answer
    x = 4,894.47

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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.