Home / 12,072.42-16,659.02-6,766.22

Finding the Fourth Proportional to 12,072.42, 16,659.02 and 6,766.22

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Solution

The fourth proportional to 12,072.42, 16,659.02 and 6,766.22 is: 9,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.42 : 16,659.02 = 6,766.22 : x
  2. Step 2: Convert to fraction form
    12,072.42/16,659.02 = 6,766.22/x
  3. Step 3: Cross multiply
    12,072.42x = 16,659.02 × 6,766.22
  4. Step 4: Simplify right side
    12,072.42x = 112,718,594.30
  5. Step 5: Solve for x
    x = 112,718,594.30/12,072.42
  6. Step 6: Final answer
    x = 9,336.87

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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.