Home / 11,130.22-16,692.71-3,230.65

Finding the Fourth Proportional to 11,130.22, 16,692.71 and 3,230.65

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Solution

The fourth proportional to 11,130.22, 16,692.71 and 3,230.65 is: 4,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.22 : 16,692.71 = 3,230.65 : x
  2. Step 2: Convert to fraction form
    11,130.22/16,692.71 = 3,230.65/x
  3. Step 3: Cross multiply
    11,130.22x = 16,692.71 × 3,230.65
  4. Step 4: Simplify right side
    11,130.22x = 53,928,303.56
  5. Step 5: Solve for x
    x = 53,928,303.56/11,130.22
  6. Step 6: Final answer
    x = 4,845.21

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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.