Home / 11,831.78-16,322.51-6,794.75

Finding the Fourth Proportional to 11,831.78, 16,322.51 and 6,794.75

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Solution

The fourth proportional to 11,831.78, 16,322.51 and 6,794.75 is: 9,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.78 : 16,322.51 = 6,794.75 : x
  2. Step 2: Convert to fraction form
    11,831.78/16,322.51 = 6,794.75/x
  3. Step 3: Cross multiply
    11,831.78x = 16,322.51 × 6,794.75
  4. Step 4: Simplify right side
    11,831.78x = 110,907,259.24
  5. Step 5: Solve for x
    x = 110,907,259.24/11,831.78
  6. Step 6: Final answer
    x = 9,373.68

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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.