Home / 8,120.58-11,205.45-4,583.46

Finding the Fourth Proportional to 8,120.58, 11,205.45 and 4,583.46

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Solution

The fourth proportional to 8,120.58, 11,205.45 and 4,583.46 is: 6,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.58 : 11,205.45 = 4,583.46 : x
  2. Step 2: Convert to fraction form
    8,120.58/11,205.45 = 4,583.46/x
  3. Step 3: Cross multiply
    8,120.58x = 11,205.45 × 4,583.46
  4. Step 4: Simplify right side
    8,120.58x = 51,359,731.86
  5. Step 5: Solve for x
    x = 51,359,731.86/8,120.58
  6. Step 6: Final answer
    x = 6,324.64

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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.