Home / 7,099.24-9,797.02-3,912.65

Finding the Fourth Proportional to 7,099.24, 9,797.02 and 3,912.65

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Solution

The fourth proportional to 7,099.24, 9,797.02 and 3,912.65 is: 5,399.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.24 : 9,797.02 = 3,912.65 : x
  2. Step 2: Convert to fraction form
    7,099.24/9,797.02 = 3,912.65/x
  3. Step 3: Cross multiply
    7,099.24x = 9,797.02 × 3,912.65
  4. Step 4: Simplify right side
    7,099.24x = 38,332,284.00
  5. Step 5: Solve for x
    x = 38,332,284.00/7,099.24
  6. Step 6: Final answer
    x = 5,399.49

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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.