Home / 8,663.14-12,997.50-2,823.76

Finding the Fourth Proportional to 8,663.14, 12,997.50 and 2,823.76

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Solution

The fourth proportional to 8,663.14, 12,997.50 and 2,823.76 is: 4,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.14 : 12,997.50 = 2,823.76 : x
  2. Step 2: Convert to fraction form
    8,663.14/12,997.50 = 2,823.76/x
  3. Step 3: Cross multiply
    8,663.14x = 12,997.50 × 2,823.76
  4. Step 4: Simplify right side
    8,663.14x = 36,701,820.60
  5. Step 5: Solve for x
    x = 36,701,820.60/8,663.14
  6. Step 6: Final answer
    x = 4,236.55

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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.