Home / 11,867.13-16,376.67-6,831.26

Finding the Fourth Proportional to 11,867.13, 16,376.67 and 6,831.26

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Solution

The fourth proportional to 11,867.13, 16,376.67 and 6,831.26 is: 9,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.13 : 16,376.67 = 6,831.26 : x
  2. Step 2: Convert to fraction form
    11,867.13/16,376.67 = 6,831.26/x
  3. Step 3: Cross multiply
    11,867.13x = 16,376.67 × 6,831.26
  4. Step 4: Simplify right side
    11,867.13x = 111,873,208.82
  5. Step 5: Solve for x
    x = 111,873,208.82/11,867.13
  6. Step 6: Final answer
    x = 9,427.15

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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.