Home / 8,176.48-12,263.56-2,629.12

Finding the Fourth Proportional to 8,176.48, 12,263.56 and 2,629.12

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Solution

The fourth proportional to 8,176.48, 12,263.56 and 2,629.12 is: 3,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.48 : 12,263.56 = 2,629.12 : x
  2. Step 2: Convert to fraction form
    8,176.48/12,263.56 = 2,629.12/x
  3. Step 3: Cross multiply
    8,176.48x = 12,263.56 × 2,629.12
  4. Step 4: Simplify right side
    8,176.48x = 32,242,309.55
  5. Step 5: Solve for x
    x = 32,242,309.55/8,176.48
  6. Step 6: Final answer
    x = 3,943.30

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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.