Home / 8,495.52-12,742.38-5,206.92

Finding the Fourth Proportional to 8,495.52, 12,742.38 and 5,206.92

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Solution

The fourth proportional to 8,495.52, 12,742.38 and 5,206.92 is: 7,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.52 : 12,742.38 = 5,206.92 : x
  2. Step 2: Convert to fraction form
    8,495.52/12,742.38 = 5,206.92/x
  3. Step 3: Cross multiply
    8,495.52x = 12,742.38 × 5,206.92
  4. Step 4: Simplify right side
    8,495.52x = 66,348,553.27
  5. Step 5: Solve for x
    x = 66,348,553.27/8,495.52
  6. Step 6: Final answer
    x = 7,809.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.