Home / 11,287.95-16,933.50-4,712.64

Finding the Fourth Proportional to 11,287.95, 16,933.50 and 4,712.64

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Solution

The fourth proportional to 11,287.95, 16,933.50 and 4,712.64 is: 7,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.95 : 16,933.50 = 4,712.64 : x
  2. Step 2: Convert to fraction form
    11,287.95/16,933.50 = 4,712.64/x
  3. Step 3: Cross multiply
    11,287.95x = 16,933.50 × 4,712.64
  4. Step 4: Simplify right side
    11,287.95x = 79,801,489.44
  5. Step 5: Solve for x
    x = 79,801,489.44/11,287.95
  6. Step 6: Final answer
    x = 7,069.62

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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.