Home / 6,815.84-10,168.34-6,179.22

Finding the Fourth Proportional to 6,815.84, 10,168.34 and 6,179.22

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Solution

The fourth proportional to 6,815.84, 10,168.34 and 6,179.22 is: 9,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.84 : 10,168.34 = 6,179.22 : x
  2. Step 2: Convert to fraction form
    6,815.84/10,168.34 = 6,179.22/x
  3. Step 3: Cross multiply
    6,815.84x = 10,168.34 × 6,179.22
  4. Step 4: Simplify right side
    6,815.84x = 62,832,379.00
  5. Step 5: Solve for x
    x = 62,832,379.00/6,815.84
  6. Step 6: Final answer
    x = 9,218.59

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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.