Home / 10,936.26-15,090.41-6,155.51

Finding the Fourth Proportional to 10,936.26, 15,090.41 and 6,155.51

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Solution

The fourth proportional to 10,936.26, 15,090.41 and 6,155.51 is: 8,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.26 : 15,090.41 = 6,155.51 : x
  2. Step 2: Convert to fraction form
    10,936.26/15,090.41 = 6,155.51/x
  3. Step 3: Cross multiply
    10,936.26x = 15,090.41 × 6,155.51
  4. Step 4: Simplify right side
    10,936.26x = 92,889,109.60
  5. Step 5: Solve for x
    x = 92,889,109.60/10,936.26
  6. Step 6: Final answer
    x = 8,493.68

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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.