Home / 11,961.14-16,506.32-6,655.95

Finding the Fourth Proportional to 11,961.14, 16,506.32 and 6,655.95

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Solution

The fourth proportional to 11,961.14, 16,506.32 and 6,655.95 is: 9,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.14 : 16,506.32 = 6,655.95 : x
  2. Step 2: Convert to fraction form
    11,961.14/16,506.32 = 6,655.95/x
  3. Step 3: Cross multiply
    11,961.14x = 16,506.32 × 6,655.95
  4. Step 4: Simplify right side
    11,961.14x = 109,865,207.32
  5. Step 5: Solve for x
    x = 109,865,207.32/11,961.14
  6. Step 6: Final answer
    x = 9,185.18

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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.