Home / 11,984.82-16,539.08-6,679.53

Finding the Fourth Proportional to 11,984.82, 16,539.08 and 6,679.53

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Solution

The fourth proportional to 11,984.82, 16,539.08 and 6,679.53 is: 9,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.82 : 16,539.08 = 6,679.53 : x
  2. Step 2: Convert to fraction form
    11,984.82/16,539.08 = 6,679.53/x
  3. Step 3: Cross multiply
    11,984.82x = 16,539.08 × 6,679.53
  4. Step 4: Simplify right side
    11,984.82x = 110,473,247.63
  5. Step 5: Solve for x
    x = 110,473,247.63/11,984.82
  6. Step 6: Final answer
    x = 9,217.76

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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.