Home / 12,465.36-17,201.52-6,876

Finding the Fourth Proportional to 12,465.36, 17,201.52 and 6,876

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Solution

The fourth proportional to 12,465.36, 17,201.52 and 6,876 is: 9,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.36 : 17,201.52 = 6,876 : x
  2. Step 2: Convert to fraction form
    12,465.36/17,201.52 = 6,876/x
  3. Step 3: Cross multiply
    12,465.36x = 17,201.52 × 6,876
  4. Step 4: Simplify right side
    12,465.36x = 118,277,651.52
  5. Step 5: Solve for x
    x = 118,277,651.52/12,465.36
  6. Step 6: Final answer
    x = 9,488.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.