Home / 10,664.73-15,986.73-5,986.98

Finding the Fourth Proportional to 10,664.73, 15,986.73 and 5,986.98

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Solution

The fourth proportional to 10,664.73, 15,986.73 and 5,986.98 is: 8,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.73 : 15,986.73 = 5,986.98 : x
  2. Step 2: Convert to fraction form
    10,664.73/15,986.73 = 5,986.98/x
  3. Step 3: Cross multiply
    10,664.73x = 15,986.73 × 5,986.98
  4. Step 4: Simplify right side
    10,664.73x = 95,712,232.78
  5. Step 5: Solve for x
    x = 95,712,232.78/10,664.73
  6. Step 6: Final answer
    x = 8,974.65

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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.