Home / 8,934.22-12,327.44-5,397.44

Finding the Fourth Proportional to 8,934.22, 12,327.44 and 5,397.44

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Solution

The fourth proportional to 8,934.22, 12,327.44 and 5,397.44 is: 7,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.22 : 12,327.44 = 5,397.44 : x
  2. Step 2: Convert to fraction form
    8,934.22/12,327.44 = 5,397.44/x
  3. Step 3: Cross multiply
    8,934.22x = 12,327.44 × 5,397.44
  4. Step 4: Simplify right side
    8,934.22x = 66,536,559.49
  5. Step 5: Solve for x
    x = 66,536,559.49/8,934.22
  6. Step 6: Final answer
    x = 7,447.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.