Home / 8,799.85-12,143.83-4,820.96

Finding the Fourth Proportional to 8,799.85, 12,143.83 and 4,820.96

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Solution

The fourth proportional to 8,799.85, 12,143.83 and 4,820.96 is: 6,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.85 : 12,143.83 = 4,820.96 : x
  2. Step 2: Convert to fraction form
    8,799.85/12,143.83 = 4,820.96/x
  3. Step 3: Cross multiply
    8,799.85x = 12,143.83 × 4,820.96
  4. Step 4: Simplify right side
    8,799.85x = 58,544,918.68
  5. Step 5: Solve for x
    x = 58,544,918.68/8,799.85
  6. Step 6: Final answer
    x = 6,652.95

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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.