Home / 12,496.80-17,246.05-6,831.92

Finding the Fourth Proportional to 12,496.80, 17,246.05 and 6,831.92

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Solution

The fourth proportional to 12,496.80, 17,246.05 and 6,831.92 is: 9,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.80 : 17,246.05 = 6,831.92 : x
  2. Step 2: Convert to fraction form
    12,496.80/17,246.05 = 6,831.92/x
  3. Step 3: Cross multiply
    12,496.80x = 17,246.05 × 6,831.92
  4. Step 4: Simplify right side
    12,496.80x = 117,823,659.95
  5. Step 5: Solve for x
    x = 117,823,659.95/12,496.80
  6. Step 6: Final answer
    x = 9,428.31

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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.