Home / 11,919.29-17,884.70-4,904.48

Finding the Fourth Proportional to 11,919.29, 17,884.70 and 4,904.48

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Solution

The fourth proportional to 11,919.29, 17,884.70 and 4,904.48 is: 7,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.29 : 17,884.70 = 4,904.48 : x
  2. Step 2: Convert to fraction form
    11,919.29/17,884.70 = 4,904.48/x
  3. Step 3: Cross multiply
    11,919.29x = 17,884.70 × 4,904.48
  4. Step 4: Simplify right side
    11,919.29x = 87,715,039.51
  5. Step 5: Solve for x
    x = 87,715,039.51/11,919.29
  6. Step 6: Final answer
    x = 7,359.09

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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.