Home / 7,664.16-11,494.19-2,116.20

Finding the Fourth Proportional to 7,664.16, 11,494.19 and 2,116.20

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Solution

The fourth proportional to 7,664.16, 11,494.19 and 2,116.20 is: 3,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.16 : 11,494.19 = 2,116.20 : x
  2. Step 2: Convert to fraction form
    7,664.16/11,494.19 = 2,116.20/x
  3. Step 3: Cross multiply
    7,664.16x = 11,494.19 × 2,116.20
  4. Step 4: Simplify right side
    7,664.16x = 24,323,994.30
  5. Step 5: Solve for x
    x = 24,323,994.30/7,664.16
  6. Step 6: Final answer
    x = 3,173.73

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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.