Home / 11,125.28-16,685.29-4,101.48

Finding the Fourth Proportional to 11,125.28, 16,685.29 and 4,101.48

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Solution

The fourth proportional to 11,125.28, 16,685.29 and 4,101.48 is: 6,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.28 : 16,685.29 = 4,101.48 : x
  2. Step 2: Convert to fraction form
    11,125.28/16,685.29 = 4,101.48/x
  3. Step 3: Cross multiply
    11,125.28x = 16,685.29 × 4,101.48
  4. Step 4: Simplify right side
    11,125.28x = 68,434,372.98
  5. Step 5: Solve for x
    x = 68,434,372.98/11,125.28
  6. Step 6: Final answer
    x = 6,151.25

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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.