Home / 10,753.03-16,138.43-5,491.93

Finding the Fourth Proportional to 10,753.03, 16,138.43 and 5,491.93

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Solution

The fourth proportional to 10,753.03, 16,138.43 and 5,491.93 is: 8,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.03 : 16,138.43 = 5,491.93 : x
  2. Step 2: Convert to fraction form
    10,753.03/16,138.43 = 5,491.93/x
  3. Step 3: Cross multiply
    10,753.03x = 16,138.43 × 5,491.93
  4. Step 4: Simplify right side
    10,753.03x = 88,631,127.87
  5. Step 5: Solve for x
    x = 88,631,127.87/10,753.03
  6. Step 6: Final answer
    x = 8,242.43

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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.