Home / 7,693.48-11,540.22-3,311.56

Finding the Fourth Proportional to 7,693.48, 11,540.22 and 3,311.56

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Solution

The fourth proportional to 7,693.48, 11,540.22 and 3,311.56 is: 4,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.48 : 11,540.22 = 3,311.56 : x
  2. Step 2: Convert to fraction form
    7,693.48/11,540.22 = 3,311.56/x
  3. Step 3: Cross multiply
    7,693.48x = 11,540.22 × 3,311.56
  4. Step 4: Simplify right side
    7,693.48x = 38,216,130.94
  5. Step 5: Solve for x
    x = 38,216,130.94/7,693.48
  6. Step 6: Final answer
    x = 4,967.34

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Similar ratio
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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.