Home / 12,232.40-18,341.85-3,910.10

Finding the Fourth Proportional to 12,232.40, 18,341.85 and 3,910.10

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Solution

The fourth proportional to 12,232.40, 18,341.85 and 3,910.10 is: 5,862.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.40 : 18,341.85 = 3,910.10 : x
  2. Step 2: Convert to fraction form
    12,232.40/18,341.85 = 3,910.10/x
  3. Step 3: Cross multiply
    12,232.40x = 18,341.85 × 3,910.10
  4. Step 4: Simplify right side
    12,232.40x = 71,718,467.69
  5. Step 5: Solve for x
    x = 71,718,467.69/12,232.40
  6. Step 6: Final answer
    x = 5,862.99

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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.