Home / 8,450.24-12,675.27-8,240.99

Finding the Fourth Proportional to 8,450.24, 12,675.27 and 8,240.99

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Solution

The fourth proportional to 8,450.24, 12,675.27 and 8,240.99 is: 12,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.24 : 12,675.27 = 8,240.99 : x
  2. Step 2: Convert to fraction form
    8,450.24/12,675.27 = 8,240.99/x
  3. Step 3: Cross multiply
    8,450.24x = 12,675.27 × 8,240.99
  4. Step 4: Simplify right side
    8,450.24x = 104,456,773.32
  5. Step 5: Solve for x
    x = 104,456,773.32/8,450.24
  6. Step 6: Final answer
    x = 12,361.40

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Half scale
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Double scale
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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.