Home / 8,077.54-11,133.30-6,162.70

Finding the Fourth Proportional to 8,077.54, 11,133.30 and 6,162.70

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Solution

The fourth proportional to 8,077.54, 11,133.30 and 6,162.70 is: 8,494.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.54 : 11,133.30 = 6,162.70 : x
  2. Step 2: Convert to fraction form
    8,077.54/11,133.30 = 6,162.70/x
  3. Step 3: Cross multiply
    8,077.54x = 11,133.30 × 6,162.70
  4. Step 4: Simplify right side
    8,077.54x = 68,611,187.91
  5. Step 5: Solve for x
    x = 68,611,187.91/8,077.54
  6. Step 6: Final answer
    x = 8,494.07

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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.