Home / 8,071.28-12,106.59-2,227.74

Finding the Fourth Proportional to 8,071.28, 12,106.59 and 2,227.74

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Solution

The fourth proportional to 8,071.28, 12,106.59 and 2,227.74 is: 3,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.28 : 12,106.59 = 2,227.74 : x
  2. Step 2: Convert to fraction form
    8,071.28/12,106.59 = 2,227.74/x
  3. Step 3: Cross multiply
    8,071.28x = 12,106.59 × 2,227.74
  4. Step 4: Simplify right side
    8,071.28x = 26,970,334.81
  5. Step 5: Solve for x
    x = 26,970,334.81/8,071.28
  6. Step 6: Final answer
    x = 3,341.52

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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.