Home / 12,238.49-16,897.11-8,049.17

Finding the Fourth Proportional to 12,238.49, 16,897.11 and 8,049.17

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Solution

The fourth proportional to 12,238.49, 16,897.11 and 8,049.17 is: 11,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.49 : 16,897.11 = 8,049.17 : x
  2. Step 2: Convert to fraction form
    12,238.49/16,897.11 = 8,049.17/x
  3. Step 3: Cross multiply
    12,238.49x = 16,897.11 × 8,049.17
  4. Step 4: Simplify right side
    12,238.49x = 136,007,722.96
  5. Step 5: Solve for x
    x = 136,007,722.96/12,238.49
  6. Step 6: Final answer
    x = 11,113.11

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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.