Home / 11,831.96-16,326.56-6,796.40

Finding the Fourth Proportional to 11,831.96, 16,326.56 and 6,796.40

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Solution

The fourth proportional to 11,831.96, 16,326.56 and 6,796.40 is: 9,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.96 : 16,326.56 = 6,796.40 : x
  2. Step 2: Convert to fraction form
    11,831.96/16,326.56 = 6,796.40/x
  3. Step 3: Cross multiply
    11,831.96x = 16,326.56 × 6,796.40
  4. Step 4: Simplify right side
    11,831.96x = 110,961,832.38
  5. Step 5: Solve for x
    x = 110,961,832.38/11,831.96
  6. Step 6: Final answer
    x = 9,378.14

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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.