Home / 8,075.92-12,110-4,789.44

Finding the Fourth Proportional to 8,075.92, 12,110 and 4,789.44

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Solution

The fourth proportional to 8,075.92, 12,110 and 4,789.44 is: 7,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.92 : 12,110 = 4,789.44 : x
  2. Step 2: Convert to fraction form
    8,075.92/12,110 = 4,789.44/x
  3. Step 3: Cross multiply
    8,075.92x = 12,110 × 4,789.44
  4. Step 4: Simplify right side
    8,075.92x = 58,000,118.40
  5. Step 5: Solve for x
    x = 58,000,118.40/8,075.92
  6. Step 6: Final answer
    x = 7,181.86

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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.