Home / 11,934.27-16,469.88-6,899.19

Finding the Fourth Proportional to 11,934.27, 16,469.88 and 6,899.19

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Solution

The fourth proportional to 11,934.27, 16,469.88 and 6,899.19 is: 9,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.27 : 16,469.88 = 6,899.19 : x
  2. Step 2: Convert to fraction form
    11,934.27/16,469.88 = 6,899.19/x
  3. Step 3: Cross multiply
    11,934.27x = 16,469.88 × 6,899.19
  4. Step 4: Simplify right side
    11,934.27x = 113,628,831.40
  5. Step 5: Solve for x
    x = 113,628,831.40/11,934.27
  6. Step 6: Final answer
    x = 9,521.22

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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.