Home / 12,434.58-18,652.26-4,115.06

Finding the Fourth Proportional to 12,434.58, 18,652.26 and 4,115.06

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Solution

The fourth proportional to 12,434.58, 18,652.26 and 4,115.06 is: 6,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.58 : 18,652.26 = 4,115.06 : x
  2. Step 2: Convert to fraction form
    12,434.58/18,652.26 = 4,115.06/x
  3. Step 3: Cross multiply
    12,434.58x = 18,652.26 × 4,115.06
  4. Step 4: Simplify right side
    12,434.58x = 76,755,169.04
  5. Step 5: Solve for x
    x = 76,755,169.04/12,434.58
  6. Step 6: Final answer
    x = 6,172.72

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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.