Home / 11,986.82-16,541.65-6,950.91

Finding the Fourth Proportional to 11,986.82, 16,541.65 and 6,950.91

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Solution

The fourth proportional to 11,986.82, 16,541.65 and 6,950.91 is: 9,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.82 : 16,541.65 = 6,950.91 : x
  2. Step 2: Convert to fraction form
    11,986.82/16,541.65 = 6,950.91/x
  3. Step 3: Cross multiply
    11,986.82x = 16,541.65 × 6,950.91
  4. Step 4: Simplify right side
    11,986.82x = 114,979,591.12
  5. Step 5: Solve for x
    x = 114,979,591.12/11,986.82
  6. Step 6: Final answer
    x = 9,592.17

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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.