Home / 10,751.03-16,135.43-5,489.93

Finding the Fourth Proportional to 10,751.03, 16,135.43 and 5,489.93

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Solution

The fourth proportional to 10,751.03, 16,135.43 and 5,489.93 is: 8,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.03 : 16,135.43 = 5,489.93 : x
  2. Step 2: Convert to fraction form
    10,751.03/16,135.43 = 5,489.93/x
  3. Step 3: Cross multiply
    10,751.03x = 16,135.43 × 5,489.93
  4. Step 4: Simplify right side
    10,751.03x = 88,582,381.22
  5. Step 5: Solve for x
    x = 88,582,381.22/10,751.03
  6. Step 6: Final answer
    x = 8,239.43

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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.