Home / 10,422.32-15,622.52-3,844.32

Finding the Fourth Proportional to 10,422.32, 15,622.52 and 3,844.32

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Solution

The fourth proportional to 10,422.32, 15,622.52 and 3,844.32 is: 5,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.32 : 15,622.52 = 3,844.32 : x
  2. Step 2: Convert to fraction form
    10,422.32/15,622.52 = 3,844.32/x
  3. Step 3: Cross multiply
    10,422.32x = 15,622.52 × 3,844.32
  4. Step 4: Simplify right side
    10,422.32x = 60,057,966.09
  5. Step 5: Solve for x
    x = 60,057,966.09/10,422.32
  6. Step 6: Final answer
    x = 5,762.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.