Home / 6,686.16-10,029.36-2,069.28

Finding the Fourth Proportional to 6,686.16, 10,029.36 and 2,069.28

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Solution

The fourth proportional to 6,686.16, 10,029.36 and 2,069.28 is: 3,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.16 : 10,029.36 = 2,069.28 : x
  2. Step 2: Convert to fraction form
    6,686.16/10,029.36 = 2,069.28/x
  3. Step 3: Cross multiply
    6,686.16x = 10,029.36 × 2,069.28
  4. Step 4: Simplify right side
    6,686.16x = 20,753,554.06
  5. Step 5: Solve for x
    x = 20,753,554.06/6,686.16
  6. Step 6: Final answer
    x = 3,103.96

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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.