Home / 7,490.23-11,235.39-3,329.26

Finding the Fourth Proportional to 7,490.23, 11,235.39 and 3,329.26

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Solution

The fourth proportional to 7,490.23, 11,235.39 and 3,329.26 is: 4,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.23 : 11,235.39 = 3,329.26 : x
  2. Step 2: Convert to fraction form
    7,490.23/11,235.39 = 3,329.26/x
  3. Step 3: Cross multiply
    7,490.23x = 11,235.39 × 3,329.26
  4. Step 4: Simplify right side
    7,490.23x = 37,405,534.51
  5. Step 5: Solve for x
    x = 37,405,534.51/7,490.23
  6. Step 6: Final answer
    x = 4,993.91

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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.