Home / 6,872.73-9,486.65-4,889.04

Finding the Fourth Proportional to 6,872.73, 9,486.65 and 4,889.04

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Solution

The fourth proportional to 6,872.73, 9,486.65 and 4,889.04 is: 6,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.73 : 9,486.65 = 4,889.04 : x
  2. Step 2: Convert to fraction form
    6,872.73/9,486.65 = 4,889.04/x
  3. Step 3: Cross multiply
    6,872.73x = 9,486.65 × 4,889.04
  4. Step 4: Simplify right side
    6,872.73x = 46,380,623.54
  5. Step 5: Solve for x
    x = 46,380,623.54/6,872.73
  6. Step 6: Final answer
    x = 6,748.50

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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.