Home / 7,442.23-11,166.25-3,279.31

Finding the Fourth Proportional to 7,442.23, 11,166.25 and 3,279.31

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Solution

The fourth proportional to 7,442.23, 11,166.25 and 3,279.31 is: 4,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.23 : 11,166.25 = 3,279.31 : x
  2. Step 2: Convert to fraction form
    7,442.23/11,166.25 = 3,279.31/x
  3. Step 3: Cross multiply
    7,442.23x = 11,166.25 × 3,279.31
  4. Step 4: Simplify right side
    7,442.23x = 36,617,595.29
  5. Step 5: Solve for x
    x = 36,617,595.29/7,442.23
  6. Step 6: Final answer
    x = 4,920.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.