Home / 12,091.66-16,663.24-8,728.14

Finding the Fourth Proportional to 12,091.66, 16,663.24 and 8,728.14

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Solution

The fourth proportional to 12,091.66, 16,663.24 and 8,728.14 is: 12,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.66 : 16,663.24 = 8,728.14 : x
  2. Step 2: Convert to fraction form
    12,091.66/16,663.24 = 8,728.14/x
  3. Step 3: Cross multiply
    12,091.66x = 16,663.24 × 8,728.14
  4. Step 4: Simplify right side
    12,091.66x = 145,439,091.57
  5. Step 5: Solve for x
    x = 145,439,091.57/12,091.66
  6. Step 6: Final answer
    x = 12,028.05

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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.