Home / 9,707.28-13,395.96-5,515.44

Finding the Fourth Proportional to 9,707.28, 13,395.96 and 5,515.44

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Solution

The fourth proportional to 9,707.28, 13,395.96 and 5,515.44 is: 7,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707.28 : 13,395.96 = 5,515.44 : x
  2. Step 2: Convert to fraction form
    9,707.28/13,395.96 = 5,515.44/x
  3. Step 3: Cross multiply
    9,707.28x = 13,395.96 × 5,515.44
  4. Step 4: Simplify right side
    9,707.28x = 73,884,613.62
  5. Step 5: Solve for x
    x = 73,884,613.62/9,707.28
  6. Step 6: Final answer
    x = 7,611.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.