Home / 8,199.86-11,315.04-4,662.95

Finding the Fourth Proportional to 8,199.86, 11,315.04 and 4,662.95

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Solution

The fourth proportional to 8,199.86, 11,315.04 and 4,662.95 is: 6,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.86 : 11,315.04 = 4,662.95 : x
  2. Step 2: Convert to fraction form
    8,199.86/11,315.04 = 4,662.95/x
  3. Step 3: Cross multiply
    8,199.86x = 11,315.04 × 4,662.95
  4. Step 4: Simplify right side
    8,199.86x = 52,761,465.77
  5. Step 5: Solve for x
    x = 52,761,465.77/8,199.86
  6. Step 6: Final answer
    x = 6,434.43

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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.