Home / 10,884.60-15,020.82-6,168.96

Finding the Fourth Proportional to 10,884.60, 15,020.82 and 6,168.96

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Solution

The fourth proportional to 10,884.60, 15,020.82 and 6,168.96 is: 8,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.60 : 15,020.82 = 6,168.96 : x
  2. Step 2: Convert to fraction form
    10,884.60/15,020.82 = 6,168.96/x
  3. Step 3: Cross multiply
    10,884.60x = 15,020.82 × 6,168.96
  4. Step 4: Simplify right side
    10,884.60x = 92,662,837.75
  5. Step 5: Solve for x
    x = 92,662,837.75/10,884.60
  6. Step 6: Final answer
    x = 8,513.21

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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.