Home / 6,827.28-10,242.72-3,126.48

Finding the Fourth Proportional to 6,827.28, 10,242.72 and 3,126.48

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Solution

The fourth proportional to 6,827.28, 10,242.72 and 3,126.48 is: 4,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.28 : 10,242.72 = 3,126.48 : x
  2. Step 2: Convert to fraction form
    6,827.28/10,242.72 = 3,126.48/x
  3. Step 3: Cross multiply
    6,827.28x = 10,242.72 × 3,126.48
  4. Step 4: Simplify right side
    6,827.28x = 32,023,659.23
  5. Step 5: Solve for x
    x = 32,023,659.23/6,827.28
  6. Step 6: Final answer
    x = 4,690.54

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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.