Home / 11,412.62-15,749.25-6,377.33

Finding the Fourth Proportional to 11,412.62, 15,749.25 and 6,377.33

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Solution

The fourth proportional to 11,412.62, 15,749.25 and 6,377.33 is: 8,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.62 : 15,749.25 = 6,377.33 : x
  2. Step 2: Convert to fraction form
    11,412.62/15,749.25 = 6,377.33/x
  3. Step 3: Cross multiply
    11,412.62x = 15,749.25 × 6,377.33
  4. Step 4: Simplify right side
    11,412.62x = 100,438,085.76
  5. Step 5: Solve for x
    x = 100,438,085.76/11,412.62
  6. Step 6: Final answer
    x = 8,800.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.