Home / 7,538.54-10,403.11-4,181.27

Finding the Fourth Proportional to 7,538.54, 10,403.11 and 4,181.27

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Solution

The fourth proportional to 7,538.54, 10,403.11 and 4,181.27 is: 5,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.54 : 10,403.11 = 4,181.27 : x
  2. Step 2: Convert to fraction form
    7,538.54/10,403.11 = 4,181.27/x
  3. Step 3: Cross multiply
    7,538.54x = 10,403.11 × 4,181.27
  4. Step 4: Simplify right side
    7,538.54x = 43,498,238.18
  5. Step 5: Solve for x
    x = 43,498,238.18/7,538.54
  6. Step 6: Final answer
    x = 5,770.11

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Half scale
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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.