Home / 11,173.82-15,419.19-6,137.06

Finding the Fourth Proportional to 11,173.82, 15,419.19 and 6,137.06

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Solution

The fourth proportional to 11,173.82, 15,419.19 and 6,137.06 is: 8,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.82 : 15,419.19 = 6,137.06 : x
  2. Step 2: Convert to fraction form
    11,173.82/15,419.19 = 6,137.06/x
  3. Step 3: Cross multiply
    11,173.82x = 15,419.19 × 6,137.06
  4. Step 4: Simplify right side
    11,173.82x = 94,628,494.18
  5. Step 5: Solve for x
    x = 94,628,494.18/11,173.82
  6. Step 6: Final answer
    x = 8,468.77

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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.