Home / 11,904.12-17,858.69-3,584.75

Finding the Fourth Proportional to 11,904.12, 17,858.69 and 3,584.75

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Solution

The fourth proportional to 11,904.12, 17,858.69 and 3,584.75 is: 5,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.12 : 17,858.69 = 3,584.75 : x
  2. Step 2: Convert to fraction form
    11,904.12/17,858.69 = 3,584.75/x
  3. Step 3: Cross multiply
    11,904.12x = 17,858.69 × 3,584.75
  4. Step 4: Simplify right side
    11,904.12x = 64,018,831.76
  5. Step 5: Solve for x
    x = 64,018,831.76/11,904.12
  6. Step 6: Final answer
    x = 5,377.87

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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.