Home / 12,170.52-18,263.98-5,508.83

Finding the Fourth Proportional to 12,170.52, 18,263.98 and 5,508.83

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Solution

The fourth proportional to 12,170.52, 18,263.98 and 5,508.83 is: 8,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.52 : 18,263.98 = 5,508.83 : x
  2. Step 2: Convert to fraction form
    12,170.52/18,263.98 = 5,508.83/x
  3. Step 3: Cross multiply
    12,170.52x = 18,263.98 × 5,508.83
  4. Step 4: Simplify right side
    12,170.52x = 100,613,110.75
  5. Step 5: Solve for x
    x = 100,613,110.75/12,170.52
  6. Step 6: Final answer
    x = 8,266.95

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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.