Home / 8,011.61-12,016.45-2,168.67

Finding the Fourth Proportional to 8,011.61, 12,016.45 and 2,168.67

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Solution

The fourth proportional to 8,011.61, 12,016.45 and 2,168.67 is: 3,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.61 : 12,016.45 = 2,168.67 : x
  2. Step 2: Convert to fraction form
    8,011.61/12,016.45 = 2,168.67/x
  3. Step 3: Cross multiply
    8,011.61x = 12,016.45 × 2,168.67
  4. Step 4: Simplify right side
    8,011.61x = 26,059,714.62
  5. Step 5: Solve for x
    x = 26,059,714.62/8,011.61
  6. Step 6: Final answer
    x = 3,252.74

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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.