Home / 7,150.24-9,868.26-4,007.08

Finding the Fourth Proportional to 7,150.24, 9,868.26 and 4,007.08

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Solution

The fourth proportional to 7,150.24, 9,868.26 and 4,007.08 is: 5,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.24 : 9,868.26 = 4,007.08 : x
  2. Step 2: Convert to fraction form
    7,150.24/9,868.26 = 4,007.08/x
  3. Step 3: Cross multiply
    7,150.24x = 9,868.26 × 4,007.08
  4. Step 4: Simplify right side
    7,150.24x = 39,542,907.28
  5. Step 5: Solve for x
    x = 39,542,907.28/7,150.24
  6. Step 6: Final answer
    x = 5,530.29

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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.