Home / 11,250.95-16,876.69-3,855.35

Finding the Fourth Proportional to 11,250.95, 16,876.69 and 3,855.35

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Solution

The fourth proportional to 11,250.95, 16,876.69 and 3,855.35 is: 5,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.95 : 16,876.69 = 3,855.35 : x
  2. Step 2: Convert to fraction form
    11,250.95/16,876.69 = 3,855.35/x
  3. Step 3: Cross multiply
    11,250.95x = 16,876.69 × 3,855.35
  4. Step 4: Simplify right side
    11,250.95x = 65,065,579.34
  5. Step 5: Solve for x
    x = 65,065,579.34/11,250.95
  6. Step 6: Final answer
    x = 5,783.12

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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.