Home / 12,546.68-18,815.24-4,111.24

Finding the Fourth Proportional to 12,546.68, 18,815.24 and 4,111.24

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Solution

The fourth proportional to 12,546.68, 18,815.24 and 4,111.24 is: 6,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.68 : 18,815.24 = 4,111.24 : x
  2. Step 2: Convert to fraction form
    12,546.68/18,815.24 = 4,111.24/x
  3. Step 3: Cross multiply
    12,546.68x = 18,815.24 × 4,111.24
  4. Step 4: Simplify right side
    12,546.68x = 77,353,967.30
  5. Step 5: Solve for x
    x = 77,353,967.30/12,546.68
  6. Step 6: Final answer
    x = 6,165.29

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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.