Home / 7,844.69-10,821.87-5,194.32

Finding the Fourth Proportional to 7,844.69, 10,821.87 and 5,194.32

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Solution

The fourth proportional to 7,844.69, 10,821.87 and 5,194.32 is: 7,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.69 : 10,821.87 = 5,194.32 : x
  2. Step 2: Convert to fraction form
    7,844.69/10,821.87 = 5,194.32/x
  3. Step 3: Cross multiply
    7,844.69x = 10,821.87 × 5,194.32
  4. Step 4: Simplify right side
    7,844.69x = 56,212,255.78
  5. Step 5: Solve for x
    x = 56,212,255.78/7,844.69
  6. Step 6: Final answer
    x = 7,165.64

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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.