Home / 10,986.04-16,474.13-6,545.79

Finding the Fourth Proportional to 10,986.04, 16,474.13 and 6,545.79

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Solution

The fourth proportional to 10,986.04, 16,474.13 and 6,545.79 is: 9,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.04 : 16,474.13 = 6,545.79 : x
  2. Step 2: Convert to fraction form
    10,986.04/16,474.13 = 6,545.79/x
  3. Step 3: Cross multiply
    10,986.04x = 16,474.13 × 6,545.79
  4. Step 4: Simplify right side
    10,986.04x = 107,836,249.01
  5. Step 5: Solve for x
    x = 107,836,249.01/10,986.04
  6. Step 6: Final answer
    x = 9,815.75

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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.