Home / 8,055.72-12,081.39-2,210.94

Finding the Fourth Proportional to 8,055.72, 12,081.39 and 2,210.94

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Solution

The fourth proportional to 8,055.72, 12,081.39 and 2,210.94 is: 3,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.72 : 12,081.39 = 2,210.94 : x
  2. Step 2: Convert to fraction form
    8,055.72/12,081.39 = 2,210.94/x
  3. Step 3: Cross multiply
    8,055.72x = 12,081.39 × 2,210.94
  4. Step 4: Simplify right side
    8,055.72x = 26,711,228.41
  5. Step 5: Solve for x
    x = 26,711,228.41/8,055.72
  6. Step 6: Final answer
    x = 3,315.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.