Home / 8,243.40-12,356.39-2,695.26

Finding the Fourth Proportional to 8,243.40, 12,356.39 and 2,695.26

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Solution

The fourth proportional to 8,243.40, 12,356.39 and 2,695.26 is: 4,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.40 : 12,356.39 = 2,695.26 : x
  2. Step 2: Convert to fraction form
    8,243.40/12,356.39 = 2,695.26/x
  3. Step 3: Cross multiply
    8,243.40x = 12,356.39 × 2,695.26
  4. Step 4: Simplify right side
    8,243.40x = 33,303,670.24
  5. Step 5: Solve for x
    x = 33,303,670.24/8,243.40
  6. Step 6: Final answer
    x = 4,040.04

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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.