Home / 12,132.44-18,187.83-4,735.17

Finding the Fourth Proportional to 12,132.44, 18,187.83 and 4,735.17

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Solution

The fourth proportional to 12,132.44, 18,187.83 and 4,735.17 is: 7,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.44 : 18,187.83 = 4,735.17 : x
  2. Step 2: Convert to fraction form
    12,132.44/18,187.83 = 4,735.17/x
  3. Step 3: Cross multiply
    12,132.44x = 18,187.83 × 4,735.17
  4. Step 4: Simplify right side
    12,132.44x = 86,122,512.45
  5. Step 5: Solve for x
    x = 86,122,512.45/12,132.44
  6. Step 6: Final answer
    x = 7,098.53

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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.