Home / 10,016.90-13,823.15-5,540.55

Finding the Fourth Proportional to 10,016.90, 13,823.15 and 5,540.55

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Solution

The fourth proportional to 10,016.90, 13,823.15 and 5,540.55 is: 7,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.90 : 13,823.15 = 5,540.55 : x
  2. Step 2: Convert to fraction form
    10,016.90/13,823.15 = 5,540.55/x
  3. Step 3: Cross multiply
    10,016.90x = 13,823.15 × 5,540.55
  4. Step 4: Simplify right side
    10,016.90x = 76,587,826.03
  5. Step 5: Solve for x
    x = 76,587,826.03/10,016.90
  6. Step 6: Final answer
    x = 7,645.86

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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.