Home / 12,227.16-16,873.68-6,921.84

Finding the Fourth Proportional to 12,227.16, 16,873.68 and 6,921.84

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Solution

The fourth proportional to 12,227.16, 16,873.68 and 6,921.84 is: 9,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.16 : 16,873.68 = 6,921.84 : x
  2. Step 2: Convert to fraction form
    12,227.16/16,873.68 = 6,921.84/x
  3. Step 3: Cross multiply
    12,227.16x = 16,873.68 × 6,921.84
  4. Step 4: Simplify right side
    12,227.16x = 116,796,913.17
  5. Step 5: Solve for x
    x = 116,796,913.17/12,227.16
  6. Step 6: Final answer
    x = 9,552.25

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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.