Home / 9,021.98-13,531.26-2,447.30

Finding the Fourth Proportional to 9,021.98, 13,531.26 and 2,447.30

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Solution

The fourth proportional to 9,021.98, 13,531.26 and 2,447.30 is: 3,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.98 : 13,531.26 = 2,447.30 : x
  2. Step 2: Convert to fraction form
    9,021.98/13,531.26 = 2,447.30/x
  3. Step 3: Cross multiply
    9,021.98x = 13,531.26 × 2,447.30
  4. Step 4: Simplify right side
    9,021.98x = 33,115,052.60
  5. Step 5: Solve for x
    x = 33,115,052.60/9,021.98
  6. Step 6: Final answer
    x = 3,670.49

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Double scale
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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.