Home / 10,747.03-16,129.43-5,485.93

Finding the Fourth Proportional to 10,747.03, 16,129.43 and 5,485.93

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Solution

The fourth proportional to 10,747.03, 16,129.43 and 5,485.93 is: 8,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.03 : 16,129.43 = 5,485.93 : x
  2. Step 2: Convert to fraction form
    10,747.03/16,129.43 = 5,485.93/x
  3. Step 3: Cross multiply
    10,747.03x = 16,129.43 × 5,485.93
  4. Step 4: Simplify right side
    10,747.03x = 88,484,937.63
  5. Step 5: Solve for x
    x = 88,484,937.63/10,747.03
  6. Step 6: Final answer
    x = 8,233.43

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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.