Home / 11,216.75-15,480.01-6,181.99

Finding the Fourth Proportional to 11,216.75, 15,480.01 and 6,181.99

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Solution

The fourth proportional to 11,216.75, 15,480.01 and 6,181.99 is: 8,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.75 : 15,480.01 = 6,181.99 : x
  2. Step 2: Convert to fraction form
    11,216.75/15,480.01 = 6,181.99/x
  3. Step 3: Cross multiply
    11,216.75x = 15,480.01 × 6,181.99
  4. Step 4: Simplify right side
    11,216.75x = 95,697,236.05
  5. Step 5: Solve for x
    x = 95,697,236.05/11,216.75
  6. Step 6: Final answer
    x = 8,531.64

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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.