Home / 8,722.84-12,037.61-4,743.95

Finding the Fourth Proportional to 8,722.84, 12,037.61 and 4,743.95

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Solution

The fourth proportional to 8,722.84, 12,037.61 and 4,743.95 is: 6,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.84 : 12,037.61 = 4,743.95 : x
  2. Step 2: Convert to fraction form
    8,722.84/12,037.61 = 4,743.95/x
  3. Step 3: Cross multiply
    8,722.84x = 12,037.61 × 4,743.95
  4. Step 4: Simplify right side
    8,722.84x = 57,105,819.96
  5. Step 5: Solve for x
    x = 57,105,819.96/8,722.84
  6. Step 6: Final answer
    x = 6,546.70

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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.