Home / 11,077.75-16,616.63-2,869.75

Finding the Fourth Proportional to 11,077.75, 16,616.63 and 2,869.75

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Solution

The fourth proportional to 11,077.75, 16,616.63 and 2,869.75 is: 4,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.75 : 16,616.63 = 2,869.75 : x
  2. Step 2: Convert to fraction form
    11,077.75/16,616.63 = 2,869.75/x
  3. Step 3: Cross multiply
    11,077.75x = 16,616.63 × 2,869.75
  4. Step 4: Simplify right side
    11,077.75x = 47,685,573.94
  5. Step 5: Solve for x
    x = 47,685,573.94/11,077.75
  6. Step 6: Final answer
    x = 4,304.63

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1.5x scale

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.