Home / 10,016.90-13,822.85-5,540.54

Finding the Fourth Proportional to 10,016.90, 13,822.85 and 5,540.54

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Solution

The fourth proportional to 10,016.90, 13,822.85 and 5,540.54 is: 7,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.90 : 13,822.85 = 5,540.54 : x
  2. Step 2: Convert to fraction form
    10,016.90/13,822.85 = 5,540.54/x
  3. Step 3: Cross multiply
    10,016.90x = 13,822.85 × 5,540.54
  4. Step 4: Simplify right side
    10,016.90x = 76,585,998.08
  5. Step 5: Solve for x
    x = 76,585,998.08/10,016.90
  6. Step 6: Final answer
    x = 7,645.68

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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.