Home / 10,328.92-15,493.96-2,932.80

Finding the Fourth Proportional to 10,328.92, 15,493.96 and 2,932.80

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Solution

The fourth proportional to 10,328.92, 15,493.96 and 2,932.80 is: 4,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.92 : 15,493.96 = 2,932.80 : x
  2. Step 2: Convert to fraction form
    10,328.92/15,493.96 = 2,932.80/x
  3. Step 3: Cross multiply
    10,328.92x = 15,493.96 × 2,932.80
  4. Step 4: Simplify right side
    10,328.92x = 45,440,685.89
  5. Step 5: Solve for x
    x = 45,440,685.89/10,328.92
  6. Step 6: Final answer
    x = 4,399.36

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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.