Home / 11,684.10-17,528.47-4,288.63

Finding the Fourth Proportional to 11,684.10, 17,528.47 and 4,288.63

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Solution

The fourth proportional to 11,684.10, 17,528.47 and 4,288.63 is: 6,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.10 : 17,528.47 = 4,288.63 : x
  2. Step 2: Convert to fraction form
    11,684.10/17,528.47 = 4,288.63/x
  3. Step 3: Cross multiply
    11,684.10x = 17,528.47 × 4,288.63
  4. Step 4: Simplify right side
    11,684.10x = 75,173,100.62
  5. Step 5: Solve for x
    x = 75,173,100.62/11,684.10
  6. Step 6: Final answer
    x = 6,433.80

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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.