Home / 8,181.25-11,291.34-4,822.99

Finding the Fourth Proportional to 8,181.25, 11,291.34 and 4,822.99

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Solution

The fourth proportional to 8,181.25, 11,291.34 and 4,822.99 is: 6,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.25 : 11,291.34 = 4,822.99 : x
  2. Step 2: Convert to fraction form
    8,181.25/11,291.34 = 4,822.99/x
  3. Step 3: Cross multiply
    8,181.25x = 11,291.34 × 4,822.99
  4. Step 4: Simplify right side
    8,181.25x = 54,458,019.91
  5. Step 5: Solve for x
    x = 54,458,019.91/8,181.25
  6. Step 6: Final answer
    x = 6,656.44

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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.