Home / 6,821.77-10,172.40-5,992.23

Finding the Fourth Proportional to 6,821.77, 10,172.40 and 5,992.23

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Solution

The fourth proportional to 6,821.77, 10,172.40 and 5,992.23 is: 8,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.77 : 10,172.40 = 5,992.23 : x
  2. Step 2: Convert to fraction form
    6,821.77/10,172.40 = 5,992.23/x
  3. Step 3: Cross multiply
    6,821.77x = 10,172.40 × 5,992.23
  4. Step 4: Simplify right side
    6,821.77x = 60,955,360.45
  5. Step 5: Solve for x
    x = 60,955,360.45/6,821.77
  6. Step 6: Final answer
    x = 8,935.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.