Home / 8,929.64-13,396.39-3,007.13

Finding the Fourth Proportional to 8,929.64, 13,396.39 and 3,007.13

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Solution

The fourth proportional to 8,929.64, 13,396.39 and 3,007.13 is: 4,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.64 : 13,396.39 = 3,007.13 : x
  2. Step 2: Convert to fraction form
    8,929.64/13,396.39 = 3,007.13/x
  3. Step 3: Cross multiply
    8,929.64x = 13,396.39 × 3,007.13
  4. Step 4: Simplify right side
    8,929.64x = 40,284,611.76
  5. Step 5: Solve for x
    x = 40,284,611.76/8,929.64
  6. Step 6: Final answer
    x = 4,511.34

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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.