Home / 7,966.89-11,939.40-5,039.96

Finding the Fourth Proportional to 7,966.89, 11,939.40 and 5,039.96

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Solution

The fourth proportional to 7,966.89, 11,939.40 and 5,039.96 is: 7,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.89 : 11,939.40 = 5,039.96 : x
  2. Step 2: Convert to fraction form
    7,966.89/11,939.40 = 5,039.96/x
  3. Step 3: Cross multiply
    7,966.89x = 11,939.40 × 5,039.96
  4. Step 4: Simplify right side
    7,966.89x = 60,174,038.73
  5. Step 5: Solve for x
    x = 60,174,038.73/7,966.89
  6. Step 6: Final answer
    x = 7,553.01

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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.