Home / 12,091.48-18,122.64-6,244.90

Finding the Fourth Proportional to 12,091.48, 18,122.64 and 6,244.90

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Solution

The fourth proportional to 12,091.48, 18,122.64 and 6,244.90 is: 9,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.48 : 18,122.64 = 6,244.90 : x
  2. Step 2: Convert to fraction form
    12,091.48/18,122.64 = 6,244.90/x
  3. Step 3: Cross multiply
    12,091.48x = 18,122.64 × 6,244.90
  4. Step 4: Simplify right side
    12,091.48x = 113,174,074.54
  5. Step 5: Solve for x
    x = 113,174,074.54/12,091.48
  6. Step 6: Final answer
    x = 9,359.82

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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.