Home / 8,856.18-12,214.26-6,463.46

Finding the Fourth Proportional to 8,856.18, 12,214.26 and 6,463.46

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Solution

The fourth proportional to 8,856.18, 12,214.26 and 6,463.46 is: 8,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.18 : 12,214.26 = 6,463.46 : x
  2. Step 2: Convert to fraction form
    8,856.18/12,214.26 = 6,463.46/x
  3. Step 3: Cross multiply
    8,856.18x = 12,214.26 × 6,463.46
  4. Step 4: Simplify right side
    8,856.18x = 78,946,380.94
  5. Step 5: Solve for x
    x = 78,946,380.94/8,856.18
  6. Step 6: Final answer
    x = 8,914.27

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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.