Home / 7,006.82-9,668.43-3,863.07

Finding the Fourth Proportional to 7,006.82, 9,668.43 and 3,863.07

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Solution

The fourth proportional to 7,006.82, 9,668.43 and 3,863.07 is: 5,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.82 : 9,668.43 = 3,863.07 : x
  2. Step 2: Convert to fraction form
    7,006.82/9,668.43 = 3,863.07/x
  3. Step 3: Cross multiply
    7,006.82x = 9,668.43 × 3,863.07
  4. Step 4: Simplify right side
    7,006.82x = 37,349,821.88
  5. Step 5: Solve for x
    x = 37,349,821.88/7,006.82
  6. Step 6: Final answer
    x = 5,330.50

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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.