Home / 9,231.31-13,831.21-5,074.80

Finding the Fourth Proportional to 9,231.31, 13,831.21 and 5,074.80

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Solution

The fourth proportional to 9,231.31, 13,831.21 and 5,074.80 is: 7,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.31 : 13,831.21 = 5,074.80 : x
  2. Step 2: Convert to fraction form
    9,231.31/13,831.21 = 5,074.80/x
  3. Step 3: Cross multiply
    9,231.31x = 13,831.21 × 5,074.80
  4. Step 4: Simplify right side
    9,231.31x = 70,190,624.51
  5. Step 5: Solve for x
    x = 70,190,624.51/9,231.31
  6. Step 6: Final answer
    x = 7,603.54

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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.