Home / 8,283.33-11,431.21-4,506.71

Finding the Fourth Proportional to 8,283.33, 11,431.21 and 4,506.71

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Solution

The fourth proportional to 8,283.33, 11,431.21 and 4,506.71 is: 6,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.33 : 11,431.21 = 4,506.71 : x
  2. Step 2: Convert to fraction form
    8,283.33/11,431.21 = 4,506.71/x
  3. Step 3: Cross multiply
    8,283.33x = 11,431.21 × 4,506.71
  4. Step 4: Simplify right side
    8,283.33x = 51,517,148.42
  5. Step 5: Solve for x
    x = 51,517,148.42/8,283.33
  6. Step 6: Final answer
    x = 6,219.38

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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.