Home / 11,106.75-16,668.33-5,263.38

Finding the Fourth Proportional to 11,106.75, 16,668.33 and 5,263.38

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Solution

The fourth proportional to 11,106.75, 16,668.33 and 5,263.38 is: 7,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.75 : 16,668.33 = 5,263.38 : x
  2. Step 2: Convert to fraction form
    11,106.75/16,668.33 = 5,263.38/x
  3. Step 3: Cross multiply
    11,106.75x = 16,668.33 × 5,263.38
  4. Step 4: Simplify right side
    11,106.75x = 87,731,754.76
  5. Step 5: Solve for x
    x = 87,731,754.76/11,106.75
  6. Step 6: Final answer
    x = 7,898.96

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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.