Home / 8,208.41-12,312.10-3,274.49

Finding the Fourth Proportional to 8,208.41, 12,312.10 and 3,274.49

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Solution

The fourth proportional to 8,208.41, 12,312.10 and 3,274.49 is: 4,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.41 : 12,312.10 = 3,274.49 : x
  2. Step 2: Convert to fraction form
    8,208.41/12,312.10 = 3,274.49/x
  3. Step 3: Cross multiply
    8,208.41x = 12,312.10 × 3,274.49
  4. Step 4: Simplify right side
    8,208.41x = 40,315,883.20
  5. Step 5: Solve for x
    x = 40,315,883.20/8,208.41
  6. Step 6: Final answer
    x = 4,911.54

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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.