Home / 11,980.44-16,534.60-6,877.95

Finding the Fourth Proportional to 11,980.44, 16,534.60 and 6,877.95

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Solution

The fourth proportional to 11,980.44, 16,534.60 and 6,877.95 is: 9,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.44 : 16,534.60 = 6,877.95 : x
  2. Step 2: Convert to fraction form
    11,980.44/16,534.60 = 6,877.95/x
  3. Step 3: Cross multiply
    11,980.44x = 16,534.60 × 6,877.95
  4. Step 4: Simplify right side
    11,980.44x = 113,724,072.87
  5. Step 5: Solve for x
    x = 113,724,072.87/11,980.44
  6. Step 6: Final answer
    x = 9,492.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.