Home / 8,590.12-12,883.94-2,745.96

Finding the Fourth Proportional to 8,590.12, 12,883.94 and 2,745.96

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Solution

The fourth proportional to 8,590.12, 12,883.94 and 2,745.96 is: 4,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.12 : 12,883.94 = 2,745.96 : x
  2. Step 2: Convert to fraction form
    8,590.12/12,883.94 = 2,745.96/x
  3. Step 3: Cross multiply
    8,590.12x = 12,883.94 × 2,745.96
  4. Step 4: Simplify right side
    8,590.12x = 35,378,783.88
  5. Step 5: Solve for x
    x = 35,378,783.88/8,590.12
  6. Step 6: Final answer
    x = 4,118.54

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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.