Home / 7,990.38-11,026.73-4,633.84

Finding the Fourth Proportional to 7,990.38, 11,026.73 and 4,633.84

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Solution

The fourth proportional to 7,990.38, 11,026.73 and 4,633.84 is: 6,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.38 : 11,026.73 = 4,633.84 : x
  2. Step 2: Convert to fraction form
    7,990.38/11,026.73 = 4,633.84/x
  3. Step 3: Cross multiply
    7,990.38x = 11,026.73 × 4,633.84
  4. Step 4: Simplify right side
    7,990.38x = 51,096,127.91
  5. Step 5: Solve for x
    x = 51,096,127.91/7,990.38
  6. Step 6: Final answer
    x = 6,394.71

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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.