Home / 6,932.70-10,389.33-5,199.42

Finding the Fourth Proportional to 6,932.70, 10,389.33 and 5,199.42

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Solution

The fourth proportional to 6,932.70, 10,389.33 and 5,199.42 is: 7,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.70 : 10,389.33 = 5,199.42 : x
  2. Step 2: Convert to fraction form
    6,932.70/10,389.33 = 5,199.42/x
  3. Step 3: Cross multiply
    6,932.70x = 10,389.33 × 5,199.42
  4. Step 4: Simplify right side
    6,932.70x = 54,018,490.19
  5. Step 5: Solve for x
    x = 54,018,490.19/6,932.70
  6. Step 6: Final answer
    x = 7,791.84

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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.