Home / 7,818.21-11,727.32-1,974.83

Finding the Fourth Proportional to 7,818.21, 11,727.32 and 1,974.83

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Solution

The fourth proportional to 7,818.21, 11,727.32 and 1,974.83 is: 2,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.21 : 11,727.32 = 1,974.83 : x
  2. Step 2: Convert to fraction form
    7,818.21/11,727.32 = 1,974.83/x
  3. Step 3: Cross multiply
    7,818.21x = 11,727.32 × 1,974.83
  4. Step 4: Simplify right side
    7,818.21x = 23,159,394.84
  5. Step 5: Solve for x
    x = 23,159,394.84/7,818.21
  6. Step 6: Final answer
    x = 2,962.24

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Similar ratio
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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.