Home / 7,994.93-11,021.16-5,162.09

Finding the Fourth Proportional to 7,994.93, 11,021.16 and 5,162.09

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Solution

The fourth proportional to 7,994.93, 11,021.16 and 5,162.09 is: 7,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.93 : 11,021.16 = 5,162.09 : x
  2. Step 2: Convert to fraction form
    7,994.93/11,021.16 = 5,162.09/x
  3. Step 3: Cross multiply
    7,994.93x = 11,021.16 × 5,162.09
  4. Step 4: Simplify right side
    7,994.93x = 56,892,219.82
  5. Step 5: Solve for x
    x = 56,892,219.82/7,994.93
  6. Step 6: Final answer
    x = 7,116.04

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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.