Home / 8,651.17-11,930.73-5,665.92

Finding the Fourth Proportional to 8,651.17, 11,930.73 and 5,665.92

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Solution

The fourth proportional to 8,651.17, 11,930.73 and 5,665.92 is: 7,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.17 : 11,930.73 = 5,665.92 : x
  2. Step 2: Convert to fraction form
    8,651.17/11,930.73 = 5,665.92/x
  3. Step 3: Cross multiply
    8,651.17x = 11,930.73 × 5,665.92
  4. Step 4: Simplify right side
    8,651.17x = 67,598,495.73
  5. Step 5: Solve for x
    x = 67,598,495.73/8,651.17
  6. Step 6: Final answer
    x = 7,813.80

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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.