Home / 7,181.28-9,912.06-4,350.33

Finding the Fourth Proportional to 7,181.28, 9,912.06 and 4,350.33

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Solution

The fourth proportional to 7,181.28, 9,912.06 and 4,350.33 is: 6,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.28 : 9,912.06 = 4,350.33 : x
  2. Step 2: Convert to fraction form
    7,181.28/9,912.06 = 4,350.33/x
  3. Step 3: Cross multiply
    7,181.28x = 9,912.06 × 4,350.33
  4. Step 4: Simplify right side
    7,181.28x = 43,120,731.98
  5. Step 5: Solve for x
    x = 43,120,731.98/7,181.28
  6. Step 6: Final answer
    x = 6,004.60

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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.