Home / 11,127.61-16,692.53-4,109.47

Finding the Fourth Proportional to 11,127.61, 16,692.53 and 4,109.47

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Solution

The fourth proportional to 11,127.61, 16,692.53 and 4,109.47 is: 6,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.61 : 16,692.53 = 4,109.47 : x
  2. Step 2: Convert to fraction form
    11,127.61/16,692.53 = 4,109.47/x
  3. Step 3: Cross multiply
    11,127.61x = 16,692.53 × 4,109.47
  4. Step 4: Simplify right side
    11,127.61x = 68,597,412.10
  5. Step 5: Solve for x
    x = 68,597,412.10/11,127.61
  6. Step 6: Final answer
    x = 6,164.61

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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.