Home / 11,071.95-16,605.08-3,278.94

Finding the Fourth Proportional to 11,071.95, 16,605.08 and 3,278.94

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Solution

The fourth proportional to 11,071.95, 16,605.08 and 3,278.94 is: 4,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.95 : 16,605.08 = 3,278.94 : x
  2. Step 2: Convert to fraction form
    11,071.95/16,605.08 = 3,278.94/x
  3. Step 3: Cross multiply
    11,071.95x = 16,605.08 × 3,278.94
  4. Step 4: Simplify right side
    11,071.95x = 54,447,027.70
  5. Step 5: Solve for x
    x = 54,447,027.70/11,071.95
  6. Step 6: Final answer
    x = 4,917.57

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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.