Home / 12,302.05-18,453.99-3,537.65

Finding the Fourth Proportional to 12,302.05, 18,453.99 and 3,537.65

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Solution

The fourth proportional to 12,302.05, 18,453.99 and 3,537.65 is: 5,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.05 : 18,453.99 = 3,537.65 : x
  2. Step 2: Convert to fraction form
    12,302.05/18,453.99 = 3,537.65/x
  3. Step 3: Cross multiply
    12,302.05x = 18,453.99 × 3,537.65
  4. Step 4: Simplify right side
    12,302.05x = 65,283,757.72
  5. Step 5: Solve for x
    x = 65,283,757.72/12,302.05
  6. Step 6: Final answer
    x = 5,306.74

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1.5x scale

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.