Home / 12,263.58-18,395.37-3,944.32

Finding the Fourth Proportional to 12,263.58, 18,395.37 and 3,944.32

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Solution

The fourth proportional to 12,263.58, 18,395.37 and 3,944.32 is: 5,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.58 : 18,395.37 = 3,944.32 : x
  2. Step 2: Convert to fraction form
    12,263.58/18,395.37 = 3,944.32/x
  3. Step 3: Cross multiply
    12,263.58x = 18,395.37 × 3,944.32
  4. Step 4: Simplify right side
    12,263.58x = 72,557,179.81
  5. Step 5: Solve for x
    x = 72,557,179.81/12,263.58
  6. Step 6: Final answer
    x = 5,916.48

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Double scale
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Similar ratio
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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.