Home / 7,936.98-11,905.57-5,471.14

Finding the Fourth Proportional to 7,936.98, 11,905.57 and 5,471.14

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Solution

The fourth proportional to 7,936.98, 11,905.57 and 5,471.14 is: 8,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.98 : 11,905.57 = 5,471.14 : x
  2. Step 2: Convert to fraction form
    7,936.98/11,905.57 = 5,471.14/x
  3. Step 3: Cross multiply
    7,936.98x = 11,905.57 × 5,471.14
  4. Step 4: Simplify right side
    7,936.98x = 65,136,996.81
  5. Step 5: Solve for x
    x = 65,136,996.81/7,936.98
  6. Step 6: Final answer
    x = 8,206.77

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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.