Home / 9,995.78-14,993.75-3,422.02

Finding the Fourth Proportional to 9,995.78, 14,993.75 and 3,422.02

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Solution

The fourth proportional to 9,995.78, 14,993.75 and 3,422.02 is: 5,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.78 : 14,993.75 = 3,422.02 : x
  2. Step 2: Convert to fraction form
    9,995.78/14,993.75 = 3,422.02/x
  3. Step 3: Cross multiply
    9,995.78x = 14,993.75 × 3,422.02
  4. Step 4: Simplify right side
    9,995.78x = 51,308,912.38
  5. Step 5: Solve for x
    x = 51,308,912.38/9,995.78
  6. Step 6: Final answer
    x = 5,133.06

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1.5x scale

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.