Home / 11,918.23-16,449.55-6,883.27

Finding the Fourth Proportional to 11,918.23, 16,449.55 and 6,883.27

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Solution

The fourth proportional to 11,918.23, 16,449.55 and 6,883.27 is: 9,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.23 : 16,449.55 = 6,883.27 : x
  2. Step 2: Convert to fraction form
    11,918.23/16,449.55 = 6,883.27/x
  3. Step 3: Cross multiply
    11,918.23x = 16,449.55 × 6,883.27
  4. Step 4: Simplify right side
    11,918.23x = 113,226,694.03
  5. Step 5: Solve for x
    x = 113,226,694.03/11,918.23
  6. Step 6: Final answer
    x = 9,500.29

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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.