Home / 12,183.18-16,797.15-9,992.28

Finding the Fourth Proportional to 12,183.18, 16,797.15 and 9,992.28

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Solution

The fourth proportional to 12,183.18, 16,797.15 and 9,992.28 is: 13,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.18 : 16,797.15 = 9,992.28 : x
  2. Step 2: Convert to fraction form
    12,183.18/16,797.15 = 9,992.28/x
  3. Step 3: Cross multiply
    12,183.18x = 16,797.15 × 9,992.28
  4. Step 4: Simplify right side
    12,183.18x = 167,841,826.00
  5. Step 5: Solve for x
    x = 167,841,826.00/12,183.18
  6. Step 6: Final answer
    x = 13,776.52

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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.