Home / 7,841.97-10,821.87-4,486.14

Finding the Fourth Proportional to 7,841.97, 10,821.87 and 4,486.14

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Solution

The fourth proportional to 7,841.97, 10,821.87 and 4,486.14 is: 6,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.97 : 10,821.87 = 4,486.14 : x
  2. Step 2: Convert to fraction form
    7,841.97/10,821.87 = 4,486.14/x
  3. Step 3: Cross multiply
    7,841.97x = 10,821.87 × 4,486.14
  4. Step 4: Simplify right side
    7,841.97x = 48,548,423.88
  5. Step 5: Solve for x
    x = 48,548,423.88/7,841.97
  6. Step 6: Final answer
    x = 6,190.85

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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.