Home / 7,403.98-11,100.47-4,481.60

Finding the Fourth Proportional to 7,403.98, 11,100.47 and 4,481.60

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Solution

The fourth proportional to 7,403.98, 11,100.47 and 4,481.60 is: 6,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.98 : 11,100.47 = 4,481.60 : x
  2. Step 2: Convert to fraction form
    7,403.98/11,100.47 = 4,481.60/x
  3. Step 3: Cross multiply
    7,403.98x = 11,100.47 × 4,481.60
  4. Step 4: Simplify right side
    7,403.98x = 49,747,866.35
  5. Step 5: Solve for x
    x = 49,747,866.35/7,403.98
  6. Step 6: Final answer
    x = 6,719.07

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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.