Home / 7,982.36-11,005.91-4,993.01

Finding the Fourth Proportional to 7,982.36, 11,005.91 and 4,993.01

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Solution

The fourth proportional to 7,982.36, 11,005.91 and 4,993.01 is: 6,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.36 : 11,005.91 = 4,993.01 : x
  2. Step 2: Convert to fraction form
    7,982.36/11,005.91 = 4,993.01/x
  3. Step 3: Cross multiply
    7,982.36x = 11,005.91 × 4,993.01
  4. Step 4: Simplify right side
    7,982.36x = 54,952,598.69
  5. Step 5: Solve for x
    x = 54,952,598.69/7,982.36
  6. Step 6: Final answer
    x = 6,884.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.