Home / 10,906.02-16,359.75-5,281.92

Finding the Fourth Proportional to 10,906.02, 16,359.75 and 5,281.92

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Solution

The fourth proportional to 10,906.02, 16,359.75 and 5,281.92 is: 7,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.02 : 16,359.75 = 5,281.92 : x
  2. Step 2: Convert to fraction form
    10,906.02/16,359.75 = 5,281.92/x
  3. Step 3: Cross multiply
    10,906.02x = 16,359.75 × 5,281.92
  4. Step 4: Simplify right side
    10,906.02x = 86,410,890.72
  5. Step 5: Solve for x
    x = 86,410,890.72/10,906.02
  6. Step 6: Final answer
    x = 7,923.23

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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.