Home / 10,858.25-14,993.73-6,831.79

Finding the Fourth Proportional to 10,858.25, 14,993.73 and 6,831.79

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Solution

The fourth proportional to 10,858.25, 14,993.73 and 6,831.79 is: 9,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.25 : 14,993.73 = 6,831.79 : x
  2. Step 2: Convert to fraction form
    10,858.25/14,993.73 = 6,831.79/x
  3. Step 3: Cross multiply
    10,858.25x = 14,993.73 × 6,831.79
  4. Step 4: Simplify right side
    10,858.25x = 102,433,977.19
  5. Step 5: Solve for x
    x = 102,433,977.19/10,858.25
  6. Step 6: Final answer
    x = 9,433.75

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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.