Home / 6,623.36-9,936.48-2,006.72

Finding the Fourth Proportional to 6,623.36, 9,936.48 and 2,006.72

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Solution

The fourth proportional to 6,623.36, 9,936.48 and 2,006.72 is: 3,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.36 : 9,936.48 = 2,006.72 : x
  2. Step 2: Convert to fraction form
    6,623.36/9,936.48 = 2,006.72/x
  3. Step 3: Cross multiply
    6,623.36x = 9,936.48 × 2,006.72
  4. Step 4: Simplify right side
    6,623.36x = 19,939,733.15
  5. Step 5: Solve for x
    x = 19,939,733.15/6,623.36
  6. Step 6: Final answer
    x = 3,010.52

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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.