Home / 10,936.48-16,389.36-5,731.84

Finding the Fourth Proportional to 10,936.48, 16,389.36 and 5,731.84

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Solution

The fourth proportional to 10,936.48, 16,389.36 and 5,731.84 is: 8,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.48 : 16,389.36 = 5,731.84 : x
  2. Step 2: Convert to fraction form
    10,936.48/16,389.36 = 5,731.84/x
  3. Step 3: Cross multiply
    10,936.48x = 16,389.36 × 5,731.84
  4. Step 4: Simplify right side
    10,936.48x = 93,941,189.22
  5. Step 5: Solve for x
    x = 93,941,189.22/10,936.48
  6. Step 6: Final answer
    x = 8,589.71

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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.