Home / 11,556.21-17,337.79-4,889.27

Finding the Fourth Proportional to 11,556.21, 17,337.79 and 4,889.27

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Solution

The fourth proportional to 11,556.21, 17,337.79 and 4,889.27 is: 7,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.21 : 17,337.79 = 4,889.27 : x
  2. Step 2: Convert to fraction form
    11,556.21/17,337.79 = 4,889.27/x
  3. Step 3: Cross multiply
    11,556.21x = 17,337.79 × 4,889.27
  4. Step 4: Simplify right side
    11,556.21x = 84,769,136.51
  5. Step 5: Solve for x
    x = 84,769,136.51/11,556.21
  6. Step 6: Final answer
    x = 7,335.38

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1.5x scale

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.