Home / 7,771.04-11,657.38-2,841.12

Finding the Fourth Proportional to 7,771.04, 11,657.38 and 2,841.12

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Solution

The fourth proportional to 7,771.04, 11,657.38 and 2,841.12 is: 4,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.04 : 11,657.38 = 2,841.12 : x
  2. Step 2: Convert to fraction form
    7,771.04/11,657.38 = 2,841.12/x
  3. Step 3: Cross multiply
    7,771.04x = 11,657.38 × 2,841.12
  4. Step 4: Simplify right side
    7,771.04x = 33,120,015.47
  5. Step 5: Solve for x
    x = 33,120,015.47/7,771.04
  6. Step 6: Final answer
    x = 4,261.98

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1.5x scale

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.