Home / 6,115.26-8,439.21-3,462.69

Finding the Fourth Proportional to 6,115.26, 8,439.21 and 3,462.69

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Solution

The fourth proportional to 6,115.26, 8,439.21 and 3,462.69 is: 4,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.26 : 8,439.21 = 3,462.69 : x
  2. Step 2: Convert to fraction form
    6,115.26/8,439.21 = 3,462.69/x
  3. Step 3: Cross multiply
    6,115.26x = 8,439.21 × 3,462.69
  4. Step 4: Simplify right side
    6,115.26x = 29,222,368.07
  5. Step 5: Solve for x
    x = 29,222,368.07/6,115.26
  6. Step 6: Final answer
    x = 4,778.60

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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.