Home / 6,686.16-10,029.36-2,005.08

Finding the Fourth Proportional to 6,686.16, 10,029.36 and 2,005.08

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Solution

The fourth proportional to 6,686.16, 10,029.36 and 2,005.08 is: 3,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.16 : 10,029.36 = 2,005.08 : x
  2. Step 2: Convert to fraction form
    6,686.16/10,029.36 = 2,005.08/x
  3. Step 3: Cross multiply
    6,686.16x = 10,029.36 × 2,005.08
  4. Step 4: Simplify right side
    6,686.16x = 20,109,669.15
  5. Step 5: Solve for x
    x = 20,109,669.15/6,686.16
  6. Step 6: Final answer
    x = 3,007.66

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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.