Home / 9,192.16-13,790.40-2,618.44

Finding the Fourth Proportional to 9,192.16, 13,790.40 and 2,618.44

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Solution

The fourth proportional to 9,192.16, 13,790.40 and 2,618.44 is: 3,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.16 : 13,790.40 = 2,618.44 : x
  2. Step 2: Convert to fraction form
    9,192.16/13,790.40 = 2,618.44/x
  3. Step 3: Cross multiply
    9,192.16x = 13,790.40 × 2,618.44
  4. Step 4: Simplify right side
    9,192.16x = 36,109,334.98
  5. Step 5: Solve for x
    x = 36,109,334.98/9,192.16
  6. Step 6: Final answer
    x = 3,928.28

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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.