Home / 12,262.20-16,921.68-6,673.20

Finding the Fourth Proportional to 12,262.20, 16,921.68 and 6,673.20

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Solution

The fourth proportional to 12,262.20, 16,921.68 and 6,673.20 is: 9,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.20 : 16,921.68 = 6,673.20 : x
  2. Step 2: Convert to fraction form
    12,262.20/16,921.68 = 6,673.20/x
  3. Step 3: Cross multiply
    12,262.20x = 16,921.68 × 6,673.20
  4. Step 4: Simplify right side
    12,262.20x = 112,921,754.98
  5. Step 5: Solve for x
    x = 112,921,754.98/12,262.20
  6. Step 6: Final answer
    x = 9,208.93

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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.