Home / 12,562.13-18,843.20-3,328.13

Finding the Fourth Proportional to 12,562.13, 18,843.20 and 3,328.13

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Solution

The fourth proportional to 12,562.13, 18,843.20 and 3,328.13 is: 4,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.13 : 18,843.20 = 3,328.13 : x
  2. Step 2: Convert to fraction form
    12,562.13/18,843.20 = 3,328.13/x
  3. Step 3: Cross multiply
    12,562.13x = 18,843.20 × 3,328.13
  4. Step 4: Simplify right side
    12,562.13x = 62,712,508.36
  5. Step 5: Solve for x
    x = 62,712,508.36/12,562.13
  6. Step 6: Final answer
    x = 4,992.19

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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.