Home / 8,905.36-13,359.12-3,063.28

Finding the Fourth Proportional to 8,905.36, 13,359.12 and 3,063.28

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Solution

The fourth proportional to 8,905.36, 13,359.12 and 3,063.28 is: 4,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.36 : 13,359.12 = 3,063.28 : x
  2. Step 2: Convert to fraction form
    8,905.36/13,359.12 = 3,063.28/x
  3. Step 3: Cross multiply
    8,905.36x = 13,359.12 × 3,063.28
  4. Step 4: Simplify right side
    8,905.36x = 40,922,725.11
  5. Step 5: Solve for x
    x = 40,922,725.11/8,905.36
  6. Step 6: Final answer
    x = 4,595.29

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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.