Home / 7,382.32-11,069.36-2,449.28

Finding the Fourth Proportional to 7,382.32, 11,069.36 and 2,449.28

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Solution

The fourth proportional to 7,382.32, 11,069.36 and 2,449.28 is: 3,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.32 : 11,069.36 = 2,449.28 : x
  2. Step 2: Convert to fraction form
    7,382.32/11,069.36 = 2,449.28/x
  3. Step 3: Cross multiply
    7,382.32x = 11,069.36 × 2,449.28
  4. Step 4: Simplify right side
    7,382.32x = 27,111,962.06
  5. Step 5: Solve for x
    x = 27,111,962.06/7,382.32
  6. Step 6: Final answer
    x = 3,672.55

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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.