Home / 7,368.36-11,054.56-3,208.70

Finding the Fourth Proportional to 7,368.36, 11,054.56 and 3,208.70

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Solution

The fourth proportional to 7,368.36, 11,054.56 and 3,208.70 is: 4,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.36 : 11,054.56 = 3,208.70 : x
  2. Step 2: Convert to fraction form
    7,368.36/11,054.56 = 3,208.70/x
  3. Step 3: Cross multiply
    7,368.36x = 11,054.56 × 3,208.70
  4. Step 4: Simplify right side
    7,368.36x = 35,470,766.67
  5. Step 5: Solve for x
    x = 35,470,766.67/7,368.36
  6. Step 6: Final answer
    x = 4,813.93

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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.