Home / 8,693.28-11,998.26-5,158.44

Finding the Fourth Proportional to 8,693.28, 11,998.26 and 5,158.44

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Solution

The fourth proportional to 8,693.28, 11,998.26 and 5,158.44 is: 7,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.28 : 11,998.26 = 5,158.44 : x
  2. Step 2: Convert to fraction form
    8,693.28/11,998.26 = 5,158.44/x
  3. Step 3: Cross multiply
    8,693.28x = 11,998.26 × 5,158.44
  4. Step 4: Simplify right side
    8,693.28x = 61,892,304.31
  5. Step 5: Solve for x
    x = 61,892,304.31/8,693.28
  6. Step 6: Final answer
    x = 7,119.56

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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.