Home / 6,118.53-8,441.62-4,230.21

Finding the Fourth Proportional to 6,118.53, 8,441.62 and 4,230.21

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Solution

The fourth proportional to 6,118.53, 8,441.62 and 4,230.21 is: 5,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.53 : 8,441.62 = 4,230.21 : x
  2. Step 2: Convert to fraction form
    6,118.53/8,441.62 = 4,230.21/x
  3. Step 3: Cross multiply
    6,118.53x = 8,441.62 × 4,230.21
  4. Step 4: Simplify right side
    6,118.53x = 35,709,825.34
  5. Step 5: Solve for x
    x = 35,709,825.34/6,118.53
  6. Step 6: Final answer
    x = 5,836.34

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Half scale
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Double 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.