Home / 7,968.22-10,995.69-4,431.22

Finding the Fourth Proportional to 7,968.22, 10,995.69 and 4,431.22

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Solution

The fourth proportional to 7,968.22, 10,995.69 and 4,431.22 is: 6,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.22 : 10,995.69 = 4,431.22 : x
  2. Step 2: Convert to fraction form
    7,968.22/10,995.69 = 4,431.22/x
  3. Step 3: Cross multiply
    7,968.22x = 10,995.69 × 4,431.22
  4. Step 4: Simplify right side
    7,968.22x = 48,724,321.44
  5. Step 5: Solve for x
    x = 48,724,321.44/7,968.22
  6. Step 6: Final answer
    x = 6,114.83

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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.