Home / 11,063.20-16,546.80-9,901.60

Finding the Fourth Proportional to 11,063.20, 16,546.80 and 9,901.60

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Solution

The fourth proportional to 11,063.20, 16,546.80 and 9,901.60 is: 14,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.20 : 16,546.80 = 9,901.60 : x
  2. Step 2: Convert to fraction form
    11,063.20/16,546.80 = 9,901.60/x
  3. Step 3: Cross multiply
    11,063.20x = 16,546.80 × 9,901.60
  4. Step 4: Simplify right side
    11,063.20x = 163,839,794.88
  5. Step 5: Solve for x
    x = 163,839,794.88/11,063.20
  6. Step 6: Final answer
    x = 14,809.44

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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.