Home / 7,991.18-11,027.64-4,634.58

Finding the Fourth Proportional to 7,991.18, 11,027.64 and 4,634.58

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Solution

The fourth proportional to 7,991.18, 11,027.64 and 4,634.58 is: 6,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.18 : 11,027.64 = 4,634.58 : x
  2. Step 2: Convert to fraction form
    7,991.18/11,027.64 = 4,634.58/x
  3. Step 3: Cross multiply
    7,991.18x = 11,027.64 × 4,634.58
  4. Step 4: Simplify right side
    7,991.18x = 51,108,479.79
  5. Step 5: Solve for x
    x = 51,108,479.79/7,991.18
  6. Step 6: Final answer
    x = 6,395.61

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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.