Home / 8,131.58-11,221.80-4,594.71

Finding the Fourth Proportional to 8,131.58, 11,221.80 and 4,594.71

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Solution

The fourth proportional to 8,131.58, 11,221.80 and 4,594.71 is: 6,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.58 : 11,221.80 = 4,594.71 : x
  2. Step 2: Convert to fraction form
    8,131.58/11,221.80 = 4,594.71/x
  3. Step 3: Cross multiply
    8,131.58x = 11,221.80 × 4,594.71
  4. Step 4: Simplify right side
    8,131.58x = 51,560,916.68
  5. Step 5: Solve for x
    x = 51,560,916.68/8,131.58
  6. Step 6: Final answer
    x = 6,340.82

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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.