Home / 11,968.05-16,515.90-6,932.55

Finding the Fourth Proportional to 11,968.05, 16,515.90 and 6,932.55

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Solution

The fourth proportional to 11,968.05, 16,515.90 and 6,932.55 is: 9,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.05 : 16,515.90 = 6,932.55 : x
  2. Step 2: Convert to fraction form
    11,968.05/16,515.90 = 6,932.55/x
  3. Step 3: Cross multiply
    11,968.05x = 16,515.90 × 6,932.55
  4. Step 4: Simplify right side
    11,968.05x = 114,497,302.55
  5. Step 5: Solve for x
    x = 114,497,302.55/11,968.05
  6. Step 6: Final answer
    x = 9,566.91

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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.