Home / 6,212.84-8,573.74-3,418.34

Finding the Fourth Proportional to 6,212.84, 8,573.74 and 3,418.34

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Solution

The fourth proportional to 6,212.84, 8,573.74 and 3,418.34 is: 4,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.84 : 8,573.74 = 3,418.34 : x
  2. Step 2: Convert to fraction form
    6,212.84/8,573.74 = 3,418.34/x
  3. Step 3: Cross multiply
    6,212.84x = 8,573.74 × 3,418.34
  4. Step 4: Simplify right side
    6,212.84x = 29,307,958.39
  5. Step 5: Solve for x
    x = 29,307,958.39/6,212.84
  6. Step 6: Final answer
    x = 4,717.32

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1.5x scale

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.