Home / 11,966.58-17,949.88-5,385.08

Finding the Fourth Proportional to 11,966.58, 17,949.88 and 5,385.08

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Solution

The fourth proportional to 11,966.58, 17,949.88 and 5,385.08 is: 8,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.58 : 17,949.88 = 5,385.08 : x
  2. Step 2: Convert to fraction form
    11,966.58/17,949.88 = 5,385.08/x
  3. Step 3: Cross multiply
    11,966.58x = 17,949.88 × 5,385.08
  4. Step 4: Simplify right side
    11,966.58x = 96,661,539.79
  5. Step 5: Solve for x
    x = 96,661,539.79/11,966.58
  6. Step 6: Final answer
    x = 8,077.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.