Home / 12,065.44-18,091.68-5,493.10

Finding the Fourth Proportional to 12,065.44, 18,091.68 and 5,493.10

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Solution

The fourth proportional to 12,065.44, 18,091.68 and 5,493.10 is: 8,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.44 : 18,091.68 = 5,493.10 : x
  2. Step 2: Convert to fraction form
    12,065.44/18,091.68 = 5,493.10/x
  3. Step 3: Cross multiply
    12,065.44x = 18,091.68 × 5,493.10
  4. Step 4: Simplify right side
    12,065.44x = 99,379,407.41
  5. Step 5: Solve for x
    x = 99,379,407.41/12,065.44
  6. Step 6: Final answer
    x = 8,236.70

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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.