Home / 11,850.50-16,353.83-6,545.31

Finding the Fourth Proportional to 11,850.50, 16,353.83 and 6,545.31

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Solution

The fourth proportional to 11,850.50, 16,353.83 and 6,545.31 is: 9,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.50 : 16,353.83 = 6,545.31 : x
  2. Step 2: Convert to fraction form
    11,850.50/16,353.83 = 6,545.31/x
  3. Step 3: Cross multiply
    11,850.50x = 16,353.83 × 6,545.31
  4. Step 4: Simplify right side
    11,850.50x = 107,040,842.07
  5. Step 5: Solve for x
    x = 107,040,842.07/11,850.50
  6. Step 6: Final answer
    x = 9,032.60

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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.