Home / 12,197.43-16,832.78-6,892.12

Finding the Fourth Proportional to 12,197.43, 16,832.78 and 6,892.12

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Solution

The fourth proportional to 12,197.43, 16,832.78 and 6,892.12 is: 9,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.43 : 16,832.78 = 6,892.12 : x
  2. Step 2: Convert to fraction form
    12,197.43/16,832.78 = 6,892.12/x
  3. Step 3: Cross multiply
    12,197.43x = 16,832.78 × 6,892.12
  4. Step 4: Simplify right side
    12,197.43x = 116,013,539.69
  5. Step 5: Solve for x
    x = 116,013,539.69/12,197.43
  6. Step 6: Final answer
    x = 9,511.31

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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.