Home / 11,939.46-16,476.90-6,905.26

Finding the Fourth Proportional to 11,939.46, 16,476.90 and 6,905.26

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Solution

The fourth proportional to 11,939.46, 16,476.90 and 6,905.26 is: 9,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.46 : 16,476.90 = 6,905.26 : x
  2. Step 2: Convert to fraction form
    11,939.46/16,476.90 = 6,905.26/x
  3. Step 3: Cross multiply
    11,939.46x = 16,476.90 × 6,905.26
  4. Step 4: Simplify right side
    11,939.46x = 113,777,278.49
  5. Step 5: Solve for x
    x = 113,777,278.49/11,939.46
  6. Step 6: Final answer
    x = 9,529.52

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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.