Home / 8,106.73-11,187.27-4,521.70

Finding the Fourth Proportional to 8,106.73, 11,187.27 and 4,521.70

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Solution

The fourth proportional to 8,106.73, 11,187.27 and 4,521.70 is: 6,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.73 : 11,187.27 = 4,521.70 : x
  2. Step 2: Convert to fraction form
    8,106.73/11,187.27 = 4,521.70/x
  3. Step 3: Cross multiply
    8,106.73x = 11,187.27 × 4,521.70
  4. Step 4: Simplify right side
    8,106.73x = 50,585,478.76
  5. Step 5: Solve for x
    x = 50,585,478.76/8,106.73
  6. Step 6: Final answer
    x = 6,239.94

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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.