Home / 6,109.75-9,164.63-2,214.16

Finding the Fourth Proportional to 6,109.75, 9,164.63 and 2,214.16

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Solution

The fourth proportional to 6,109.75, 9,164.63 and 2,214.16 is: 3,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.75 : 9,164.63 = 2,214.16 : x
  2. Step 2: Convert to fraction form
    6,109.75/9,164.63 = 2,214.16/x
  3. Step 3: Cross multiply
    6,109.75x = 9,164.63 × 2,214.16
  4. Step 4: Simplify right side
    6,109.75x = 20,291,957.16
  5. Step 5: Solve for x
    x = 20,291,957.16/6,109.75
  6. Step 6: Final answer
    x = 3,321.24

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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.