Home / 12,226.64-16,873.17-6,921.35

Finding the Fourth Proportional to 12,226.64, 16,873.17 and 6,921.35

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Solution

The fourth proportional to 12,226.64, 16,873.17 and 6,921.35 is: 9,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.64 : 16,873.17 = 6,921.35 : x
  2. Step 2: Convert to fraction form
    12,226.64/16,873.17 = 6,921.35/x
  3. Step 3: Cross multiply
    12,226.64x = 16,873.17 × 6,921.35
  4. Step 4: Simplify right side
    12,226.64x = 116,784,996.21
  5. Step 5: Solve for x
    x = 116,784,996.21/12,226.64
  6. Step 6: Final answer
    x = 9,551.68

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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.