Home / 7,424.07-11,120.60-4,453.09

Finding the Fourth Proportional to 7,424.07, 11,120.60 and 4,453.09

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Solution

The fourth proportional to 7,424.07, 11,120.60 and 4,453.09 is: 6,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.07 : 11,120.60 = 4,453.09 : x
  2. Step 2: Convert to fraction form
    7,424.07/11,120.60 = 4,453.09/x
  3. Step 3: Cross multiply
    7,424.07x = 11,120.60 × 4,453.09
  4. Step 4: Simplify right side
    7,424.07x = 49,521,015.99
  5. Step 5: Solve for x
    x = 49,521,015.99/7,424.07
  6. Step 6: Final answer
    x = 6,670.34

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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.