Home / 7,150.01-9,867.07-3,963.37

Finding the Fourth Proportional to 7,150.01, 9,867.07 and 3,963.37

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Solution

The fourth proportional to 7,150.01, 9,867.07 and 3,963.37 is: 5,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.01 : 9,867.07 = 3,963.37 : x
  2. Step 2: Convert to fraction form
    7,150.01/9,867.07 = 3,963.37/x
  3. Step 3: Cross multiply
    7,150.01x = 9,867.07 × 3,963.37
  4. Step 4: Simplify right side
    7,150.01x = 39,106,849.23
  5. Step 5: Solve for x
    x = 39,106,849.23/7,150.01
  6. Step 6: Final answer
    x = 5,469.49

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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.