Home / 12,197.40-16,832.66-6,892.17

Finding the Fourth Proportional to 12,197.40, 16,832.66 and 6,892.17

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Solution

The fourth proportional to 12,197.40, 16,832.66 and 6,892.17 is: 9,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.40 : 16,832.66 = 6,892.17 : x
  2. Step 2: Convert to fraction form
    12,197.40/16,832.66 = 6,892.17/x
  3. Step 3: Cross multiply
    12,197.40x = 16,832.66 × 6,892.17
  4. Step 4: Simplify right side
    12,197.40x = 116,013,519.81
  5. Step 5: Solve for x
    x = 116,013,519.81/12,197.40
  6. Step 6: Final answer
    x = 9,511.33

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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.