Home / 12,257.26-16,915.02-6,668.26

Finding the Fourth Proportional to 12,257.26, 16,915.02 and 6,668.26

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Solution

The fourth proportional to 12,257.26, 16,915.02 and 6,668.26 is: 9,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.26 : 16,915.02 = 6,668.26 : x
  2. Step 2: Convert to fraction form
    12,257.26/16,915.02 = 6,668.26/x
  3. Step 3: Cross multiply
    12,257.26x = 16,915.02 × 6,668.26
  4. Step 4: Simplify right side
    12,257.26x = 112,793,751.27
  5. Step 5: Solve for x
    x = 112,793,751.27/12,257.26
  6. Step 6: Final answer
    x = 9,202.20

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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.