Home / 8,856.50-12,221.46-4,876.97

Finding the Fourth Proportional to 8,856.50, 12,221.46 and 4,876.97

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Solution

The fourth proportional to 8,856.50, 12,221.46 and 4,876.97 is: 6,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.50 : 12,221.46 = 4,876.97 : x
  2. Step 2: Convert to fraction form
    8,856.50/12,221.46 = 4,876.97/x
  3. Step 3: Cross multiply
    8,856.50x = 12,221.46 × 4,876.97
  4. Step 4: Simplify right side
    8,856.50x = 59,603,632.67
  5. Step 5: Solve for x
    x = 59,603,632.67/8,856.50
  6. Step 6: Final answer
    x = 6,729.93

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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.