Home / 9,930.48-14,912.19-8,299.68

Finding the Fourth Proportional to 9,930.48, 14,912.19 and 8,299.68

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Solution

The fourth proportional to 9,930.48, 14,912.19 and 8,299.68 is: 12,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.48 : 14,912.19 = 8,299.68 : x
  2. Step 2: Convert to fraction form
    9,930.48/14,912.19 = 8,299.68/x
  3. Step 3: Cross multiply
    9,930.48x = 14,912.19 × 8,299.68
  4. Step 4: Simplify right side
    9,930.48x = 123,766,405.10
  5. Step 5: Solve for x
    x = 123,766,405.10/9,930.48
  6. Step 6: Final answer
    x = 12,463.29

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1.5x scale

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.