Home / 26,436.75-39,650.87-7,712.39

Finding the Fourth Proportional to 26,436.75, 39,650.87 and 7,712.39

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Solution

The fourth proportional to 26,436.75, 39,650.87 and 7,712.39 is: 11,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.75 : 39,650.87 = 7,712.39 : x
  2. Step 2: Convert to fraction form
    26,436.75/39,650.87 = 7,712.39/x
  3. Step 3: Cross multiply
    26,436.75x = 39,650.87 × 7,712.39
  4. Step 4: Simplify right side
    26,436.75x = 305,802,794.31
  5. Step 5: Solve for x
    x = 305,802,794.31/26,436.75
  6. Step 6: Final answer
    x = 11,567.34

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1.5x scale

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.