Home / 12,227.10-16,873.47-7,191.54

Finding the Fourth Proportional to 12,227.10, 16,873.47 and 7,191.54

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Solution

The fourth proportional to 12,227.10, 16,873.47 and 7,191.54 is: 9,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.10 : 16,873.47 = 7,191.54 : x
  2. Step 2: Convert to fraction form
    12,227.10/16,873.47 = 7,191.54/x
  3. Step 3: Cross multiply
    12,227.10x = 16,873.47 × 7,191.54
  4. Step 4: Simplify right side
    12,227.10x = 121,346,234.44
  5. Step 5: Solve for x
    x = 121,346,234.44/12,227.10
  6. Step 6: Final answer
    x = 9,924.37

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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.