Home / 11,068.70-16,621.85-7,394.54

Finding the Fourth Proportional to 11,068.70, 16,621.85 and 7,394.54

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Solution

The fourth proportional to 11,068.70, 16,621.85 and 7,394.54 is: 11,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.70 : 16,621.85 = 7,394.54 : x
  2. Step 2: Convert to fraction form
    11,068.70/16,621.85 = 7,394.54/x
  3. Step 3: Cross multiply
    11,068.70x = 16,621.85 × 7,394.54
  4. Step 4: Simplify right side
    11,068.70x = 122,910,870.08
  5. Step 5: Solve for x
    x = 122,910,870.08/11,068.70
  6. Step 6: Final answer
    x = 11,104.37

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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.