Home / 12,041.70-18,063.90-3,721.65

Finding the Fourth Proportional to 12,041.70, 18,063.90 and 3,721.65

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Solution

The fourth proportional to 12,041.70, 18,063.90 and 3,721.65 is: 5,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.70 : 18,063.90 = 3,721.65 : x
  2. Step 2: Convert to fraction form
    12,041.70/18,063.90 = 3,721.65/x
  3. Step 3: Cross multiply
    12,041.70x = 18,063.90 × 3,721.65
  4. Step 4: Simplify right side
    12,041.70x = 67,227,513.44
  5. Step 5: Solve for x
    x = 67,227,513.44/12,041.70
  6. Step 6: Final answer
    x = 5,582.89

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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.