Home / 8,856.73-12,214.36-6,299.46

Finding the Fourth Proportional to 8,856.73, 12,214.36 and 6,299.46

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Solution

The fourth proportional to 8,856.73, 12,214.36 and 6,299.46 is: 8,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.73 : 12,214.36 = 6,299.46 : x
  2. Step 2: Convert to fraction form
    8,856.73/12,214.36 = 6,299.46/x
  3. Step 3: Cross multiply
    8,856.73x = 12,214.36 × 6,299.46
  4. Step 4: Simplify right side
    8,856.73x = 76,943,872.25
  5. Step 5: Solve for x
    x = 76,943,872.25/8,856.73
  6. Step 6: Final answer
    x = 8,687.62

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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.