Home / 8,070.51-12,105.76-2,227.12

Finding the Fourth Proportional to 8,070.51, 12,105.76 and 2,227.12

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Solution

The fourth proportional to 8,070.51, 12,105.76 and 2,227.12 is: 3,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.51 : 12,105.76 = 2,227.12 : x
  2. Step 2: Convert to fraction form
    8,070.51/12,105.76 = 2,227.12/x
  3. Step 3: Cross multiply
    8,070.51x = 12,105.76 × 2,227.12
  4. Step 4: Simplify right side
    8,070.51x = 26,960,955.51
  5. Step 5: Solve for x
    x = 26,960,955.51/8,070.51
  6. Step 6: Final answer
    x = 3,340.68

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Double scale
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Similar ratio
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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.