Home / 12,546.36-18,831.69-6,707.07

Finding the Fourth Proportional to 12,546.36, 18,831.69 and 6,707.07

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Solution

The fourth proportional to 12,546.36, 18,831.69 and 6,707.07 is: 10,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.36 : 18,831.69 = 6,707.07 : x
  2. Step 2: Convert to fraction form
    12,546.36/18,831.69 = 6,707.07/x
  3. Step 3: Cross multiply
    12,546.36x = 18,831.69 × 6,707.07
  4. Step 4: Simplify right side
    12,546.36x = 126,305,463.05
  5. Step 5: Solve for x
    x = 126,305,463.05/12,546.36
  6. Step 6: Final answer
    x = 10,067.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.