Home / 7,936.14-11,905.42-4,038.42

Finding the Fourth Proportional to 7,936.14, 11,905.42 and 4,038.42

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Solution

The fourth proportional to 7,936.14, 11,905.42 and 4,038.42 is: 6,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.14 : 11,905.42 = 4,038.42 : x
  2. Step 2: Convert to fraction form
    7,936.14/11,905.42 = 4,038.42/x
  3. Step 3: Cross multiply
    7,936.14x = 11,905.42 × 4,038.42
  4. Step 4: Simplify right side
    7,936.14x = 48,079,086.24
  5. Step 5: Solve for x
    x = 48,079,086.24/7,936.14
  6. Step 6: Final answer
    x = 6,058.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.