Home / 11,714.12-17,571.16-4,788.62

Finding the Fourth Proportional to 11,714.12, 17,571.16 and 4,788.62

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Solution

The fourth proportional to 11,714.12, 17,571.16 and 4,788.62 is: 7,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.12 : 17,571.16 = 4,788.62 : x
  2. Step 2: Convert to fraction form
    11,714.12/17,571.16 = 4,788.62/x
  3. Step 3: Cross multiply
    11,714.12x = 17,571.16 × 4,788.62
  4. Step 4: Simplify right side
    11,714.12x = 84,141,608.20
  5. Step 5: Solve for x
    x = 84,141,608.20/11,714.12
  6. Step 6: Final answer
    x = 7,182.92

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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.