Home / 10,418.83-15,628.32-3,493.33

Finding the Fourth Proportional to 10,418.83, 15,628.32 and 3,493.33

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Solution

The fourth proportional to 10,418.83, 15,628.32 and 3,493.33 is: 5,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.83 : 15,628.32 = 3,493.33 : x
  2. Step 2: Convert to fraction form
    10,418.83/15,628.32 = 3,493.33/x
  3. Step 3: Cross multiply
    10,418.83x = 15,628.32 × 3,493.33
  4. Step 4: Simplify right side
    10,418.83x = 54,594,879.11
  5. Step 5: Solve for x
    x = 54,594,879.11/10,418.83
  6. Step 6: Final answer
    x = 5,240.02

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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.