Home / 7,968.14-10,995.43-4,431.07

Finding the Fourth Proportional to 7,968.14, 10,995.43 and 4,431.07

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Solution

The fourth proportional to 7,968.14, 10,995.43 and 4,431.07 is: 6,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.14 : 10,995.43 = 4,431.07 : x
  2. Step 2: Convert to fraction form
    7,968.14/10,995.43 = 4,431.07/x
  3. Step 3: Cross multiply
    7,968.14x = 10,995.43 × 4,431.07
  4. Step 4: Simplify right side
    7,968.14x = 48,721,442.88
  5. Step 5: Solve for x
    x = 48,721,442.88/7,968.14
  6. Step 6: Final answer
    x = 6,114.54

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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.