Home / 12,254.12-16,917.46-9,245.96

Finding the Fourth Proportional to 12,254.12, 16,917.46 and 9,245.96

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Solution

The fourth proportional to 12,254.12, 16,917.46 and 9,245.96 is: 12,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.12 : 16,917.46 = 9,245.96 : x
  2. Step 2: Convert to fraction form
    12,254.12/16,917.46 = 9,245.96/x
  3. Step 3: Cross multiply
    12,254.12x = 16,917.46 × 9,245.96
  4. Step 4: Simplify right side
    12,254.12x = 156,418,158.46
  5. Step 5: Solve for x
    x = 156,418,158.46/12,254.12
  6. Step 6: Final answer
    x = 12,764.54

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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.