Home / 11,749.76-16,211.84-7,273.68

Finding the Fourth Proportional to 11,749.76, 16,211.84 and 7,273.68

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Solution

The fourth proportional to 11,749.76, 16,211.84 and 7,273.68 is: 10,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.76 : 16,211.84 = 7,273.68 : x
  2. Step 2: Convert to fraction form
    11,749.76/16,211.84 = 7,273.68/x
  3. Step 3: Cross multiply
    11,749.76x = 16,211.84 × 7,273.68
  4. Step 4: Simplify right side
    11,749.76x = 117,919,736.37
  5. Step 5: Solve for x
    x = 117,919,736.37/11,749.76
  6. Step 6: Final answer
    x = 10,035.93

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1.5x scale

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.