Home / 10,625.12-15,939.50-3,230.31

Finding the Fourth Proportional to 10,625.12, 15,939.50 and 3,230.31

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Solution

The fourth proportional to 10,625.12, 15,939.50 and 3,230.31 is: 4,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.12 : 15,939.50 = 3,230.31 : x
  2. Step 2: Convert to fraction form
    10,625.12/15,939.50 = 3,230.31/x
  3. Step 3: Cross multiply
    10,625.12x = 15,939.50 × 3,230.31
  4. Step 4: Simplify right side
    10,625.12x = 51,489,510.09
  5. Step 5: Solve for x
    x = 51,489,510.09/10,625.12
  6. Step 6: Final answer
    x = 4,846.02

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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.