Home / 9,109.23-13,666.28-3,266.43

Finding the Fourth Proportional to 9,109.23, 13,666.28 and 3,266.43

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Solution

The fourth proportional to 9,109.23, 13,666.28 and 3,266.43 is: 4,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.23 : 13,666.28 = 3,266.43 : x
  2. Step 2: Convert to fraction form
    9,109.23/13,666.28 = 3,266.43/x
  3. Step 3: Cross multiply
    9,109.23x = 13,666.28 × 3,266.43
  4. Step 4: Simplify right side
    9,109.23x = 44,639,930.65
  5. Step 5: Solve for x
    x = 44,639,930.65/9,109.23
  6. Step 6: Final answer
    x = 4,900.52

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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.