Home / 11,961.19-16,506.98-9,968.41

Finding the Fourth Proportional to 11,961.19, 16,506.98 and 9,968.41

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Solution

The fourth proportional to 11,961.19, 16,506.98 and 9,968.41 is: 13,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.19 : 16,506.98 = 9,968.41 : x
  2. Step 2: Convert to fraction form
    11,961.19/16,506.98 = 9,968.41/x
  3. Step 3: Cross multiply
    11,961.19x = 16,506.98 × 9,968.41
  4. Step 4: Simplify right side
    11,961.19x = 164,548,344.50
  5. Step 5: Solve for x
    x = 164,548,344.50/11,961.19
  6. Step 6: Final answer
    x = 13,756.85

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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.