Home / 11,239.68-16,858.88-3,448.48

Finding the Fourth Proportional to 11,239.68, 16,858.88 and 3,448.48

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Solution

The fourth proportional to 11,239.68, 16,858.88 and 3,448.48 is: 5,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.68 : 16,858.88 = 3,448.48 : x
  2. Step 2: Convert to fraction form
    11,239.68/16,858.88 = 3,448.48/x
  3. Step 3: Cross multiply
    11,239.68x = 16,858.88 × 3,448.48
  4. Step 4: Simplify right side
    11,239.68x = 58,137,510.50
  5. Step 5: Solve for x
    x = 58,137,510.50/11,239.68
  6. Step 6: Final answer
    x = 5,172.52

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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.