Home / 8,599.38-12,900.36-3,669

Finding the Fourth Proportional to 8,599.38, 12,900.36 and 3,669

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Solution

The fourth proportional to 8,599.38, 12,900.36 and 3,669 is: 5,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.38 : 12,900.36 = 3,669 : x
  2. Step 2: Convert to fraction form
    8,599.38/12,900.36 = 3,669/x
  3. Step 3: Cross multiply
    8,599.38x = 12,900.36 × 3,669
  4. Step 4: Simplify right side
    8,599.38x = 47,331,420.84
  5. Step 5: Solve for x
    x = 47,331,420.84/8,599.38
  6. Step 6: Final answer
    x = 5,504.05

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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.