Home / 8,106.86-11,187.44-4,521.82

Finding the Fourth Proportional to 8,106.86, 11,187.44 and 4,521.82

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Solution

The fourth proportional to 8,106.86, 11,187.44 and 4,521.82 is: 6,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.86 : 11,187.44 = 4,521.82 : x
  2. Step 2: Convert to fraction form
    8,106.86/11,187.44 = 4,521.82/x
  3. Step 3: Cross multiply
    8,106.86x = 11,187.44 × 4,521.82
  4. Step 4: Simplify right side
    8,106.86x = 50,587,602.73
  5. Step 5: Solve for x
    x = 50,587,602.73/8,106.86
  6. Step 6: Final answer
    x = 6,240.10

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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.