Home / 6,013.79-8,296.60-3,998.18

Finding the Fourth Proportional to 6,013.79, 8,296.60 and 3,998.18

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Solution

The fourth proportional to 6,013.79, 8,296.60 and 3,998.18 is: 5,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,013.79 : 8,296.60 = 3,998.18 : x
  2. Step 2: Convert to fraction form
    6,013.79/8,296.60 = 3,998.18/x
  3. Step 3: Cross multiply
    6,013.79x = 8,296.60 × 3,998.18
  4. Step 4: Simplify right side
    6,013.79x = 33,171,300.19
  5. Step 5: Solve for x
    x = 33,171,300.19/6,013.79
  6. Step 6: Final answer
    x = 5,515.87

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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.