Home / 11,007.52-16,516.08-5,163.60

Finding the Fourth Proportional to 11,007.52, 16,516.08 and 5,163.60

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Solution

The fourth proportional to 11,007.52, 16,516.08 and 5,163.60 is: 7,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.52 : 16,516.08 = 5,163.60 : x
  2. Step 2: Convert to fraction form
    11,007.52/16,516.08 = 5,163.60/x
  3. Step 3: Cross multiply
    11,007.52x = 16,516.08 × 5,163.60
  4. Step 4: Simplify right side
    11,007.52x = 85,282,430.69
  5. Step 5: Solve for x
    x = 85,282,430.69/11,007.52
  6. Step 6: Final answer
    x = 7,747.65

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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.