Home / 9,811.44-13,539.24-5,619.96

Finding the Fourth Proportional to 9,811.44, 13,539.24 and 5,619.96

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Solution

The fourth proportional to 9,811.44, 13,539.24 and 5,619.96 is: 7,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.44 : 13,539.24 = 5,619.96 : x
  2. Step 2: Convert to fraction form
    9,811.44/13,539.24 = 5,619.96/x
  3. Step 3: Cross multiply
    9,811.44x = 13,539.24 × 5,619.96
  4. Step 4: Simplify right side
    9,811.44x = 76,089,987.23
  5. Step 5: Solve for x
    x = 76,089,987.23/9,811.44
  6. Step 6: Final answer
    x = 7,755.23

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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.