Home / 12,464.28-17,165.70-12,192.12

Finding the Fourth Proportional to 12,464.28, 17,165.70 and 12,192.12

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Solution

The fourth proportional to 12,464.28, 17,165.70 and 12,192.12 is: 16,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.28 : 17,165.70 = 12,192.12 : x
  2. Step 2: Convert to fraction form
    12,464.28/17,165.70 = 12,192.12/x
  3. Step 3: Cross multiply
    12,464.28x = 17,165.70 × 12,192.12
  4. Step 4: Simplify right side
    12,464.28x = 209,286,274.28
  5. Step 5: Solve for x
    x = 209,286,274.28/12,464.28
  6. Step 6: Final answer
    x = 16,790.88

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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.