Home / 12,192.20-16,825.02-6,886.64

Finding the Fourth Proportional to 12,192.20, 16,825.02 and 6,886.64

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Solution

The fourth proportional to 12,192.20, 16,825.02 and 6,886.64 is: 9,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.20 : 16,825.02 = 6,886.64 : x
  2. Step 2: Convert to fraction form
    12,192.20/16,825.02 = 6,886.64/x
  3. Step 3: Cross multiply
    12,192.20x = 16,825.02 × 6,886.64
  4. Step 4: Simplify right side
    12,192.20x = 115,867,855.73
  5. Step 5: Solve for x
    x = 115,867,855.73/12,192.20
  6. Step 6: Final answer
    x = 9,503.44

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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.