Home / 8,629.53-12,935.58-3,361.25

Finding the Fourth Proportional to 8,629.53, 12,935.58 and 3,361.25

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Solution

The fourth proportional to 8,629.53, 12,935.58 and 3,361.25 is: 5,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.53 : 12,935.58 = 3,361.25 : x
  2. Step 2: Convert to fraction form
    8,629.53/12,935.58 = 3,361.25/x
  3. Step 3: Cross multiply
    8,629.53x = 12,935.58 × 3,361.25
  4. Step 4: Simplify right side
    8,629.53x = 43,479,653.60
  5. Step 5: Solve for x
    x = 43,479,653.60/8,629.53
  6. Step 6: Final answer
    x = 5,038.47

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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.