Home / 12,133.50-18,200.23-3,368.41

Finding the Fourth Proportional to 12,133.50, 18,200.23 and 3,368.41

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Solution

The fourth proportional to 12,133.50, 18,200.23 and 3,368.41 is: 5,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.50 : 18,200.23 = 3,368.41 : x
  2. Step 2: Convert to fraction form
    12,133.50/18,200.23 = 3,368.41/x
  3. Step 3: Cross multiply
    12,133.50x = 18,200.23 × 3,368.41
  4. Step 4: Simplify right side
    12,133.50x = 61,305,836.73
  5. Step 5: Solve for x
    x = 61,305,836.73/12,133.50
  6. Step 6: Final answer
    x = 5,052.61

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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.