Home / 11,170.28-16,734.36-8,693.12

Finding the Fourth Proportional to 11,170.28, 16,734.36 and 8,693.12

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Solution

The fourth proportional to 11,170.28, 16,734.36 and 8,693.12 is: 13,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.28 : 16,734.36 = 8,693.12 : x
  2. Step 2: Convert to fraction form
    11,170.28/16,734.36 = 8,693.12/x
  3. Step 3: Cross multiply
    11,170.28x = 16,734.36 × 8,693.12
  4. Step 4: Simplify right side
    11,170.28x = 145,473,799.60
  5. Step 5: Solve for x
    x = 145,473,799.60/11,170.28
  6. Step 6: Final answer
    x = 13,023.29

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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.