Home / 8,048.40-12,074.22-2,783.61

Finding the Fourth Proportional to 8,048.40, 12,074.22 and 2,783.61

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Solution

The fourth proportional to 8,048.40, 12,074.22 and 2,783.61 is: 4,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.40 : 12,074.22 = 2,783.61 : x
  2. Step 2: Convert to fraction form
    8,048.40/12,074.22 = 2,783.61/x
  3. Step 3: Cross multiply
    8,048.40x = 12,074.22 × 2,783.61
  4. Step 4: Simplify right side
    8,048.40x = 33,609,919.53
  5. Step 5: Solve for x
    x = 33,609,919.53/8,048.40
  6. Step 6: Final answer
    x = 4,175.98

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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.