Home / 9,075.05-13,613.09-3,231.66

Finding the Fourth Proportional to 9,075.05, 13,613.09 and 3,231.66

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Solution

The fourth proportional to 9,075.05, 13,613.09 and 3,231.66 is: 4,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.05 : 13,613.09 = 3,231.66 : x
  2. Step 2: Convert to fraction form
    9,075.05/13,613.09 = 3,231.66/x
  3. Step 3: Cross multiply
    9,075.05x = 13,613.09 × 3,231.66
  4. Step 4: Simplify right side
    9,075.05x = 43,992,891.41
  5. Step 5: Solve for x
    x = 43,992,891.41/9,075.05
  6. Step 6: Final answer
    x = 4,847.67

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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.