Home / 11,920.11-16,448.06-6,883.53

Finding the Fourth Proportional to 11,920.11, 16,448.06 and 6,883.53

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Solution

The fourth proportional to 11,920.11, 16,448.06 and 6,883.53 is: 9,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920.11 : 16,448.06 = 6,883.53 : x
  2. Step 2: Convert to fraction form
    11,920.11/16,448.06 = 6,883.53/x
  3. Step 3: Cross multiply
    11,920.11x = 16,448.06 × 6,883.53
  4. Step 4: Simplify right side
    11,920.11x = 113,220,680.03
  5. Step 5: Solve for x
    x = 113,220,680.03/11,920.11
  6. Step 6: Final answer
    x = 9,498.29

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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.