Home / 6,824.19-9,415.03-4,136.27

Finding the Fourth Proportional to 6,824.19, 9,415.03 and 4,136.27

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Solution

The fourth proportional to 6,824.19, 9,415.03 and 4,136.27 is: 5,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.19 : 9,415.03 = 4,136.27 : x
  2. Step 2: Convert to fraction form
    6,824.19/9,415.03 = 4,136.27/x
  3. Step 3: Cross multiply
    6,824.19x = 9,415.03 × 4,136.27
  4. Step 4: Simplify right side
    6,824.19x = 38,943,097.80
  5. Step 5: Solve for x
    x = 38,943,097.80/6,824.19
  6. Step 6: Final answer
    x = 5,706.63

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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.