Home / 6,763.80-9,336.84-4,112.04

Finding the Fourth Proportional to 6,763.80, 9,336.84 and 4,112.04

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Solution

The fourth proportional to 6,763.80, 9,336.84 and 4,112.04 is: 5,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.80 : 9,336.84 = 4,112.04 : x
  2. Step 2: Convert to fraction form
    6,763.80/9,336.84 = 4,112.04/x
  3. Step 3: Cross multiply
    6,763.80x = 9,336.84 × 4,112.04
  4. Step 4: Simplify right side
    6,763.80x = 38,393,459.55
  5. Step 5: Solve for x
    x = 38,393,459.55/6,763.80
  6. Step 6: Final answer
    x = 5,676.32

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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.