Home / 8,967.88-13,451.94-3,423.76

Finding the Fourth Proportional to 8,967.88, 13,451.94 and 3,423.76

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Solution

The fourth proportional to 8,967.88, 13,451.94 and 3,423.76 is: 5,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.88 : 13,451.94 = 3,423.76 : x
  2. Step 2: Convert to fraction form
    8,967.88/13,451.94 = 3,423.76/x
  3. Step 3: Cross multiply
    8,967.88x = 13,451.94 × 3,423.76
  4. Step 4: Simplify right side
    8,967.88x = 46,056,214.09
  5. Step 5: Solve for x
    x = 46,056,214.09/8,967.88
  6. Step 6: Final answer
    x = 5,135.69

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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.