Home / 11,984.89-16,539.23-6,680.04

Finding the Fourth Proportional to 11,984.89, 16,539.23 and 6,680.04

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Solution

The fourth proportional to 11,984.89, 16,539.23 and 6,680.04 is: 9,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.89 : 16,539.23 = 6,680.04 : x
  2. Step 2: Convert to fraction form
    11,984.89/16,539.23 = 6,680.04/x
  3. Step 3: Cross multiply
    11,984.89x = 16,539.23 × 6,680.04
  4. Step 4: Simplify right side
    11,984.89x = 110,482,765.23
  5. Step 5: Solve for x
    x = 110,482,765.23/11,984.89
  6. Step 6: Final answer
    x = 9,218.51

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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.