Home / 11,148.23-16,721.13-3,357.65

Finding the Fourth Proportional to 11,148.23, 16,721.13 and 3,357.65

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Solution

The fourth proportional to 11,148.23, 16,721.13 and 3,357.65 is: 5,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.23 : 16,721.13 = 3,357.65 : x
  2. Step 2: Convert to fraction form
    11,148.23/16,721.13 = 3,357.65/x
  3. Step 3: Cross multiply
    11,148.23x = 16,721.13 × 3,357.65
  4. Step 4: Simplify right side
    11,148.23x = 56,143,756.54
  5. Step 5: Solve for x
    x = 56,143,756.54/11,148.23
  6. Step 6: Final answer
    x = 5,036.11

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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.