Home / 8,540.76-12,812.28-2,300.94

Finding the Fourth Proportional to 8,540.76, 12,812.28 and 2,300.94

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Solution

The fourth proportional to 8,540.76, 12,812.28 and 2,300.94 is: 3,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.76 : 12,812.28 = 2,300.94 : x
  2. Step 2: Convert to fraction form
    8,540.76/12,812.28 = 2,300.94/x
  3. Step 3: Cross multiply
    8,540.76x = 12,812.28 × 2,300.94
  4. Step 4: Simplify right side
    8,540.76x = 29,480,287.54
  5. Step 5: Solve for x
    x = 29,480,287.54/8,540.76
  6. Step 6: Final answer
    x = 3,451.72

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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.