Home / 7,623.24-11,435.32-2,943.28

Finding the Fourth Proportional to 7,623.24, 11,435.32 and 2,943.28

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Solution

The fourth proportional to 7,623.24, 11,435.32 and 2,943.28 is: 4,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.24 : 11,435.32 = 2,943.28 : x
  2. Step 2: Convert to fraction form
    7,623.24/11,435.32 = 2,943.28/x
  3. Step 3: Cross multiply
    7,623.24x = 11,435.32 × 2,943.28
  4. Step 4: Simplify right side
    7,623.24x = 33,657,348.65
  5. Step 5: Solve for x
    x = 33,657,348.65/7,623.24
  6. Step 6: Final answer
    x = 4,415.10

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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.