Home / 7,990.43-11,026.83-4,635.24

Finding the Fourth Proportional to 7,990.43, 11,026.83 and 4,635.24

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Solution

The fourth proportional to 7,990.43, 11,026.83 and 4,635.24 is: 6,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.43 : 11,026.83 = 4,635.24 : x
  2. Step 2: Convert to fraction form
    7,990.43/11,026.83 = 4,635.24/x
  3. Step 3: Cross multiply
    7,990.43x = 11,026.83 × 4,635.24
  4. Step 4: Simplify right side
    7,990.43x = 51,112,003.49
  5. Step 5: Solve for x
    x = 51,112,003.49/7,990.43
  6. Step 6: Final answer
    x = 6,396.66

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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.