Home / 7,099.18-9,796.84-3,912.52

Finding the Fourth Proportional to 7,099.18, 9,796.84 and 3,912.52

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Solution

The fourth proportional to 7,099.18, 9,796.84 and 3,912.52 is: 5,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.18 : 9,796.84 = 3,912.52 : x
  2. Step 2: Convert to fraction form
    7,099.18/9,796.84 = 3,912.52/x
  3. Step 3: Cross multiply
    7,099.18x = 9,796.84 × 3,912.52
  4. Step 4: Simplify right side
    7,099.18x = 38,330,332.44
  5. Step 5: Solve for x
    x = 38,330,332.44/7,099.18
  6. Step 6: Final answer
    x = 5,399.26

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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.