Home / 11,918.91-17,884.13-4,904.10

Finding the Fourth Proportional to 11,918.91, 17,884.13 and 4,904.10

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Solution

The fourth proportional to 11,918.91, 17,884.13 and 4,904.10 is: 7,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.91 : 17,884.13 = 4,904.10 : x
  2. Step 2: Convert to fraction form
    11,918.91/17,884.13 = 4,904.10/x
  3. Step 3: Cross multiply
    11,918.91x = 17,884.13 × 4,904.10
  4. Step 4: Simplify right side
    11,918.91x = 87,705,537.41
  5. Step 5: Solve for x
    x = 87,705,537.41/11,918.91
  6. Step 6: Final answer
    x = 7,358.52

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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.