Home / 8,184.45-11,298.82-6,388.08

Finding the Fourth Proportional to 8,184.45, 11,298.82 and 6,388.08

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Solution

The fourth proportional to 8,184.45, 11,298.82 and 6,388.08 is: 8,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.45 : 11,298.82 = 6,388.08 : x
  2. Step 2: Convert to fraction form
    8,184.45/11,298.82 = 6,388.08/x
  3. Step 3: Cross multiply
    8,184.45x = 11,298.82 × 6,388.08
  4. Step 4: Simplify right side
    8,184.45x = 72,177,766.07
  5. Step 5: Solve for x
    x = 72,177,766.07/8,184.45
  6. Step 6: Final answer
    x = 8,818.89

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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.