Home / 12,211.08-18,305.82-5,967.60

Finding the Fourth Proportional to 12,211.08, 18,305.82 and 5,967.60

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Solution

The fourth proportional to 12,211.08, 18,305.82 and 5,967.60 is: 8,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.08 : 18,305.82 = 5,967.60 : x
  2. Step 2: Convert to fraction form
    12,211.08/18,305.82 = 5,967.60/x
  3. Step 3: Cross multiply
    12,211.08x = 18,305.82 × 5,967.60
  4. Step 4: Simplify right side
    12,211.08x = 109,241,811.43
  5. Step 5: Solve for x
    x = 109,241,811.43/12,211.08
  6. Step 6: Final answer
    x = 8,946.12

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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.