Home / 7,338.08-11,010.72-3,442.80

Finding the Fourth Proportional to 7,338.08, 11,010.72 and 3,442.80

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Solution

The fourth proportional to 7,338.08, 11,010.72 and 3,442.80 is: 5,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.08 : 11,010.72 = 3,442.80 : x
  2. Step 2: Convert to fraction form
    7,338.08/11,010.72 = 3,442.80/x
  3. Step 3: Cross multiply
    7,338.08x = 11,010.72 × 3,442.80
  4. Step 4: Simplify right side
    7,338.08x = 37,907,706.82
  5. Step 5: Solve for x
    x = 37,907,706.82/7,338.08
  6. Step 6: Final answer
    x = 5,165.89

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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.