Home / 11,112.43-16,668.66-4,538.62

Finding the Fourth Proportional to 11,112.43, 16,668.66 and 4,538.62

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Solution

The fourth proportional to 11,112.43, 16,668.66 and 4,538.62 is: 6,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.43 : 16,668.66 = 4,538.62 : x
  2. Step 2: Convert to fraction form
    11,112.43/16,668.66 = 4,538.62/x
  3. Step 3: Cross multiply
    11,112.43x = 16,668.66 × 4,538.62
  4. Step 4: Simplify right side
    11,112.43x = 75,652,713.65
  5. Step 5: Solve for x
    x = 75,652,713.65/11,112.43
  6. Step 6: Final answer
    x = 6,807.94

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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.