Home / 9,290.73-13,930.44-3,661.65

Finding the Fourth Proportional to 9,290.73, 13,930.44 and 3,661.65

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Solution

The fourth proportional to 9,290.73, 13,930.44 and 3,661.65 is: 5,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.73 : 13,930.44 = 3,661.65 : x
  2. Step 2: Convert to fraction form
    9,290.73/13,930.44 = 3,661.65/x
  3. Step 3: Cross multiply
    9,290.73x = 13,930.44 × 3,661.65
  4. Step 4: Simplify right side
    9,290.73x = 51,008,395.63
  5. Step 5: Solve for x
    x = 51,008,395.63/9,290.73
  6. Step 6: Final answer
    x = 5,490.25

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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.