Home / 12,496.22-17,244.68-6,831

Finding the Fourth Proportional to 12,496.22, 17,244.68 and 6,831

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Solution

The fourth proportional to 12,496.22, 17,244.68 and 6,831 is: 9,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.22 : 17,244.68 = 6,831 : x
  2. Step 2: Convert to fraction form
    12,496.22/17,244.68 = 6,831/x
  3. Step 3: Cross multiply
    12,496.22x = 17,244.68 × 6,831
  4. Step 4: Simplify right side
    12,496.22x = 117,798,409.08
  5. Step 5: Solve for x
    x = 117,798,409.08/12,496.22
  6. Step 6: Final answer
    x = 9,426.72

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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.