Home / 9,231.24-12,739.14-5,251.44

Finding the Fourth Proportional to 9,231.24, 12,739.14 and 5,251.44

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Solution

The fourth proportional to 9,231.24, 12,739.14 and 5,251.44 is: 7,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.24 : 12,739.14 = 5,251.44 : x
  2. Step 2: Convert to fraction form
    9,231.24/12,739.14 = 5,251.44/x
  3. Step 3: Cross multiply
    9,231.24x = 12,739.14 × 5,251.44
  4. Step 4: Simplify right side
    9,231.24x = 66,898,829.36
  5. Step 5: Solve for x
    x = 66,898,829.36/9,231.24
  6. Step 6: Final answer
    x = 7,247.00

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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.