Home / 11,931.33-17,889.91-4,536.33

Finding the Fourth Proportional to 11,931.33, 17,889.91 and 4,536.33

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Solution

The fourth proportional to 11,931.33, 17,889.91 and 4,536.33 is: 6,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.33 : 17,889.91 = 4,536.33 : x
  2. Step 2: Convert to fraction form
    11,931.33/17,889.91 = 4,536.33/x
  3. Step 3: Cross multiply
    11,931.33x = 17,889.91 × 4,536.33
  4. Step 4: Simplify right side
    11,931.33x = 81,154,512.75
  5. Step 5: Solve for x
    x = 81,154,512.75/11,931.33
  6. Step 6: Final answer
    x = 6,801.80

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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.