Home / 8,811.02-13,216.66-2,571.06

Finding the Fourth Proportional to 8,811.02, 13,216.66 and 2,571.06

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Solution

The fourth proportional to 8,811.02, 13,216.66 and 2,571.06 is: 3,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.02 : 13,216.66 = 2,571.06 : x
  2. Step 2: Convert to fraction form
    8,811.02/13,216.66 = 2,571.06/x
  3. Step 3: Cross multiply
    8,811.02x = 13,216.66 × 2,571.06
  4. Step 4: Simplify right side
    8,811.02x = 33,980,825.86
  5. Step 5: Solve for x
    x = 33,980,825.86/8,811.02
  6. Step 6: Final answer
    x = 3,856.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.