Home / 9,229.12-12,736.36-5,250.32

Finding the Fourth Proportional to 9,229.12, 12,736.36 and 5,250.32

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Solution

The fourth proportional to 9,229.12, 12,736.36 and 5,250.32 is: 7,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.12 : 12,736.36 = 5,250.32 : x
  2. Step 2: Convert to fraction form
    9,229.12/12,736.36 = 5,250.32/x
  3. Step 3: Cross multiply
    9,229.12x = 12,736.36 × 5,250.32
  4. Step 4: Simplify right side
    9,229.12x = 66,869,965.64
  5. Step 5: Solve for x
    x = 66,869,965.64/9,229.12
  6. Step 6: Final answer
    x = 7,245.54

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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.