Home / 8,683.09-13,007.22-3,996.58

Finding the Fourth Proportional to 8,683.09, 13,007.22 and 3,996.58

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Solution

The fourth proportional to 8,683.09, 13,007.22 and 3,996.58 is: 5,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.09 : 13,007.22 = 3,996.58 : x
  2. Step 2: Convert to fraction form
    8,683.09/13,007.22 = 3,996.58/x
  3. Step 3: Cross multiply
    8,683.09x = 13,007.22 × 3,996.58
  4. Step 4: Simplify right side
    8,683.09x = 51,984,395.31
  5. Step 5: Solve for x
    x = 51,984,395.31/8,683.09
  6. Step 6: Final answer
    x = 5,986.85

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1.5x scale

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.