Home / 7,386.60-11,072.70-2,766.36

Finding the Fourth Proportional to 7,386.60, 11,072.70 and 2,766.36

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Solution

The fourth proportional to 7,386.60, 11,072.70 and 2,766.36 is: 4,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.60 : 11,072.70 = 2,766.36 : x
  2. Step 2: Convert to fraction form
    7,386.60/11,072.70 = 2,766.36/x
  3. Step 3: Cross multiply
    7,386.60x = 11,072.70 × 2,766.36
  4. Step 4: Simplify right side
    7,386.60x = 30,631,074.37
  5. Step 5: Solve for x
    x = 30,631,074.37/7,386.60
  6. Step 6: Final answer
    x = 4,146.84

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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.