Home / 11,135.80-15,367.42-6,100.21

Finding the Fourth Proportional to 11,135.80, 15,367.42 and 6,100.21

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Solution

The fourth proportional to 11,135.80, 15,367.42 and 6,100.21 is: 8,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.80 : 15,367.42 = 6,100.21 : x
  2. Step 2: Convert to fraction form
    11,135.80/15,367.42 = 6,100.21/x
  3. Step 3: Cross multiply
    11,135.80x = 15,367.42 × 6,100.21
  4. Step 4: Simplify right side
    11,135.80x = 93,744,489.16
  5. Step 5: Solve for x
    x = 93,744,489.16/11,135.80
  6. Step 6: Final answer
    x = 8,418.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.