Home / 8,276.44-12,409.18-3,275.50

Finding the Fourth Proportional to 8,276.44, 12,409.18 and 3,275.50

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Solution

The fourth proportional to 8,276.44, 12,409.18 and 3,275.50 is: 4,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.44 : 12,409.18 = 3,275.50 : x
  2. Step 2: Convert to fraction form
    8,276.44/12,409.18 = 3,275.50/x
  3. Step 3: Cross multiply
    8,276.44x = 12,409.18 × 3,275.50
  4. Step 4: Simplify right side
    8,276.44x = 40,646,269.09
  5. Step 5: Solve for x
    x = 40,646,269.09/8,276.44
  6. Step 6: Final answer
    x = 4,911.08

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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.