Home / 7,403.48-11,099.73-4,481.09

Finding the Fourth Proportional to 7,403.48, 11,099.73 and 4,481.09

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Solution

The fourth proportional to 7,403.48, 11,099.73 and 4,481.09 is: 6,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.48 : 11,099.73 = 4,481.09 : x
  2. Step 2: Convert to fraction form
    7,403.48/11,099.73 = 4,481.09/x
  3. Step 3: Cross multiply
    7,403.48x = 11,099.73 × 4,481.09
  4. Step 4: Simplify right side
    7,403.48x = 49,738,889.11
  5. Step 5: Solve for x
    x = 49,738,889.11/7,403.48
  6. Step 6: Final answer
    x = 6,718.31

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1.5x scale

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.