Home / 7,968.29-10,996.09-4,431.42

Finding the Fourth Proportional to 7,968.29, 10,996.09 and 4,431.42

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Solution

The fourth proportional to 7,968.29, 10,996.09 and 4,431.42 is: 6,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.29 : 10,996.09 = 4,431.42 : x
  2. Step 2: Convert to fraction form
    7,968.29/10,996.09 = 4,431.42/x
  3. Step 3: Cross multiply
    7,968.29x = 10,996.09 × 4,431.42
  4. Step 4: Simplify right side
    7,968.29x = 48,728,293.15
  5. Step 5: Solve for x
    x = 48,728,293.15/7,968.29
  6. Step 6: Final answer
    x = 6,115.28

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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.