Home / 8,070.98-12,089.45-3,692.12

Finding the Fourth Proportional to 8,070.98, 12,089.45 and 3,692.12

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Solution

The fourth proportional to 8,070.98, 12,089.45 and 3,692.12 is: 5,530.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.98 : 12,089.45 = 3,692.12 : x
  2. Step 2: Convert to fraction form
    8,070.98/12,089.45 = 3,692.12/x
  3. Step 3: Cross multiply
    8,070.98x = 12,089.45 × 3,692.12
  4. Step 4: Simplify right side
    8,070.98x = 44,635,648.92
  5. Step 5: Solve for x
    x = 44,635,648.92/8,070.98
  6. Step 6: Final answer
    x = 5,530.39

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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.