Home / 12,864.11-17,732.41-11,833.07

Finding the Fourth Proportional to 12,864.11, 17,732.41 and 11,833.07

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Solution

The fourth proportional to 12,864.11, 17,732.41 and 11,833.07 is: 16,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.11 : 17,732.41 = 11,833.07 : x
  2. Step 2: Convert to fraction form
    12,864.11/17,732.41 = 11,833.07/x
  3. Step 3: Cross multiply
    12,864.11x = 17,732.41 × 11,833.07
  4. Step 4: Simplify right side
    12,864.11x = 209,828,730.55
  5. Step 5: Solve for x
    x = 209,828,730.55/12,864.11
  6. Step 6: Final answer
    x = 16,311.18

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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.