Home / 6,876.28-10,315.14-2,196.64

Finding the Fourth Proportional to 6,876.28, 10,315.14 and 2,196.64

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Solution

The fourth proportional to 6,876.28, 10,315.14 and 2,196.64 is: 3,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.28 : 10,315.14 = 2,196.64 : x
  2. Step 2: Convert to fraction form
    6,876.28/10,315.14 = 2,196.64/x
  3. Step 3: Cross multiply
    6,876.28x = 10,315.14 × 2,196.64
  4. Step 4: Simplify right side
    6,876.28x = 22,658,649.13
  5. Step 5: Solve for x
    x = 22,658,649.13/6,876.28
  6. Step 6: Final answer
    x = 3,295.19

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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.