Home / 12,272.56-16,936.04-6,683.60

Finding the Fourth Proportional to 12,272.56, 16,936.04 and 6,683.60

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Solution

The fourth proportional to 12,272.56, 16,936.04 and 6,683.60 is: 9,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.56 : 16,936.04 = 6,683.60 : x
  2. Step 2: Convert to fraction form
    12,272.56/16,936.04 = 6,683.60/x
  3. Step 3: Cross multiply
    12,272.56x = 16,936.04 × 6,683.60
  4. Step 4: Simplify right side
    12,272.56x = 113,193,716.94
  5. Step 5: Solve for x
    x = 113,193,716.94/12,272.56
  6. Step 6: Final answer
    x = 9,223.32

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1.5x scale

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.