Home / 12,496.20-17,244.82-6,831.06

Finding the Fourth Proportional to 12,496.20, 17,244.82 and 6,831.06

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Solution

The fourth proportional to 12,496.20, 17,244.82 and 6,831.06 is: 9,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.20 : 17,244.82 = 6,831.06 : x
  2. Step 2: Convert to fraction form
    12,496.20/17,244.82 = 6,831.06/x
  3. Step 3: Cross multiply
    12,496.20x = 17,244.82 × 6,831.06
  4. Step 4: Simplify right side
    12,496.20x = 117,800,400.11
  5. Step 5: Solve for x
    x = 117,800,400.11/12,496.20
  6. Step 6: Final answer
    x = 9,426.90

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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.