Home / 11,251.95-16,878.19-3,856.35

Finding the Fourth Proportional to 11,251.95, 16,878.19 and 3,856.35

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Solution

The fourth proportional to 11,251.95, 16,878.19 and 3,856.35 is: 5,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.95 : 16,878.19 = 3,856.35 : x
  2. Step 2: Convert to fraction form
    11,251.95/16,878.19 = 3,856.35/x
  3. Step 3: Cross multiply
    11,251.95x = 16,878.19 × 3,856.35
  4. Step 4: Simplify right side
    11,251.95x = 65,088,208.01
  5. Step 5: Solve for x
    x = 65,088,208.01/11,251.95
  6. Step 6: Final answer
    x = 5,784.62

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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.