Home / 9,829.20-14,743.80-3,255.60

Finding the Fourth Proportional to 9,829.20, 14,743.80 and 3,255.60

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Solution

The fourth proportional to 9,829.20, 14,743.80 and 3,255.60 is: 4,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.20 : 14,743.80 = 3,255.60 : x
  2. Step 2: Convert to fraction form
    9,829.20/14,743.80 = 3,255.60/x
  3. Step 3: Cross multiply
    9,829.20x = 14,743.80 × 3,255.60
  4. Step 4: Simplify right side
    9,829.20x = 47,999,915.28
  5. Step 5: Solve for x
    x = 47,999,915.28/9,829.20
  6. Step 6: Final answer
    x = 4,883.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.