Home / 11,290.21-16,932.58-4,712.83

Finding the Fourth Proportional to 11,290.21, 16,932.58 and 4,712.83

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Solution

The fourth proportional to 11,290.21, 16,932.58 and 4,712.83 is: 7,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.21 : 16,932.58 = 4,712.83 : x
  2. Step 2: Convert to fraction form
    11,290.21/16,932.58 = 4,712.83/x
  3. Step 3: Cross multiply
    11,290.21x = 16,932.58 × 4,712.83
  4. Step 4: Simplify right side
    11,290.21x = 79,800,371.00
  5. Step 5: Solve for x
    x = 79,800,371.00/11,290.21
  6. Step 6: Final answer
    x = 7,068.10

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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.