Home / 9,321.48-13,982.74-3,774.68

Finding the Fourth Proportional to 9,321.48, 13,982.74 and 3,774.68

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Solution

The fourth proportional to 9,321.48, 13,982.74 and 3,774.68 is: 5,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.48 : 13,982.74 = 3,774.68 : x
  2. Step 2: Convert to fraction form
    9,321.48/13,982.74 = 3,774.68/x
  3. Step 3: Cross multiply
    9,321.48x = 13,982.74 × 3,774.68
  4. Step 4: Simplify right side
    9,321.48x = 52,780,369.02
  5. Step 5: Solve for x
    x = 52,780,369.02/9,321.48
  6. Step 6: Final answer
    x = 5,662.23

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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.