Home / 9,150.44-12,621.24-7,259.37

Finding the Fourth Proportional to 9,150.44, 12,621.24 and 7,259.37

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Solution

The fourth proportional to 9,150.44, 12,621.24 and 7,259.37 is: 10,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.44 : 12,621.24 = 7,259.37 : x
  2. Step 2: Convert to fraction form
    9,150.44/12,621.24 = 7,259.37/x
  3. Step 3: Cross multiply
    9,150.44x = 12,621.24 × 7,259.37
  4. Step 4: Simplify right side
    9,150.44x = 91,622,251.02
  5. Step 5: Solve for x
    x = 91,622,251.02/9,150.44
  6. Step 6: Final answer
    x = 10,012.88

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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.