Home / 10,629.06-15,935.78-5,361.48

Finding the Fourth Proportional to 10,629.06, 15,935.78 and 5,361.48

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Solution

The fourth proportional to 10,629.06, 15,935.78 and 5,361.48 is: 8,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.06 : 15,935.78 = 5,361.48 : x
  2. Step 2: Convert to fraction form
    10,629.06/15,935.78 = 5,361.48/x
  3. Step 3: Cross multiply
    10,629.06x = 15,935.78 × 5,361.48
  4. Step 4: Simplify right side
    10,629.06x = 85,439,338.95
  5. Step 5: Solve for x
    x = 85,439,338.95/10,629.06
  6. Step 6: Final answer
    x = 8,038.28

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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.