Home / 8,231.51-11,359.41-4,454.60

Finding the Fourth Proportional to 8,231.51, 11,359.41 and 4,454.60

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Solution

The fourth proportional to 8,231.51, 11,359.41 and 4,454.60 is: 6,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.51 : 11,359.41 = 4,454.60 : x
  2. Step 2: Convert to fraction form
    8,231.51/11,359.41 = 4,454.60/x
  3. Step 3: Cross multiply
    8,231.51x = 11,359.41 × 4,454.60
  4. Step 4: Simplify right side
    8,231.51x = 50,601,570.99
  5. Step 5: Solve for x
    x = 50,601,570.99/8,231.51
  6. Step 6: Final answer
    x = 6,147.30

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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.