Home / 10,865.22-16,295.22-5,016.21

Finding the Fourth Proportional to 10,865.22, 16,295.22 and 5,016.21

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Solution

The fourth proportional to 10,865.22, 16,295.22 and 5,016.21 is: 7,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.22 : 16,295.22 = 5,016.21 : x
  2. Step 2: Convert to fraction form
    10,865.22/16,295.22 = 5,016.21/x
  3. Step 3: Cross multiply
    10,865.22x = 16,295.22 × 5,016.21
  4. Step 4: Simplify right side
    10,865.22x = 81,740,245.52
  5. Step 5: Solve for x
    x = 81,740,245.52/10,865.22
  6. Step 6: Final answer
    x = 7,523.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.