Home / 8,175.24-12,257.58-3,498.30

Finding the Fourth Proportional to 8,175.24, 12,257.58 and 3,498.30

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Solution

The fourth proportional to 8,175.24, 12,257.58 and 3,498.30 is: 5,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.24 : 12,257.58 = 3,498.30 : x
  2. Step 2: Convert to fraction form
    8,175.24/12,257.58 = 3,498.30/x
  3. Step 3: Cross multiply
    8,175.24x = 12,257.58 × 3,498.30
  4. Step 4: Simplify right side
    8,175.24x = 42,880,692.11
  5. Step 5: Solve for x
    x = 42,880,692.11/8,175.24
  6. Step 6: Final answer
    x = 5,245.19

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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.