Home / 7,382.09-11,077.70-4,268.25

Finding the Fourth Proportional to 7,382.09, 11,077.70 and 4,268.25

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Solution

The fourth proportional to 7,382.09, 11,077.70 and 4,268.25 is: 6,405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.09 : 11,077.70 = 4,268.25 : x
  2. Step 2: Convert to fraction form
    7,382.09/11,077.70 = 4,268.25/x
  3. Step 3: Cross multiply
    7,382.09x = 11,077.70 × 4,268.25
  4. Step 4: Simplify right side
    7,382.09x = 47,282,371.68
  5. Step 5: Solve for x
    x = 47,282,371.68/7,382.09
  6. Step 6: Final answer
    x = 6,405.01

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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.