Home / 11,936.78-16,474.76-6,900.13

Finding the Fourth Proportional to 11,936.78, 16,474.76 and 6,900.13

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Solution

The fourth proportional to 11,936.78, 16,474.76 and 6,900.13 is: 9,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.78 : 16,474.76 = 6,900.13 : x
  2. Step 2: Convert to fraction form
    11,936.78/16,474.76 = 6,900.13/x
  3. Step 3: Cross multiply
    11,936.78x = 16,474.76 × 6,900.13
  4. Step 4: Simplify right side
    11,936.78x = 113,677,985.72
  5. Step 5: Solve for x
    x = 113,677,985.72/11,936.78
  6. Step 6: Final answer
    x = 9,523.34

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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.