Home / 7,245.75-9,999.14-4,101.94

Finding the Fourth Proportional to 7,245.75, 9,999.14 and 4,101.94

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Solution

The fourth proportional to 7,245.75, 9,999.14 and 4,101.94 is: 5,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.75 : 9,999.14 = 4,101.94 : x
  2. Step 2: Convert to fraction form
    7,245.75/9,999.14 = 4,101.94/x
  3. Step 3: Cross multiply
    7,245.75x = 9,999.14 × 4,101.94
  4. Step 4: Simplify right side
    7,245.75x = 41,015,826.82
  5. Step 5: Solve for x
    x = 41,015,826.82/7,245.75
  6. Step 6: Final answer
    x = 5,660.67

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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.