Home / 12,348.97-18,518.79-4,027.03

Finding the Fourth Proportional to 12,348.97, 18,518.79 and 4,027.03

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Solution

The fourth proportional to 12,348.97, 18,518.79 and 4,027.03 is: 6,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.97 : 18,518.79 = 4,027.03 : x
  2. Step 2: Convert to fraction form
    12,348.97/18,518.79 = 4,027.03/x
  3. Step 3: Cross multiply
    12,348.97x = 18,518.79 × 4,027.03
  4. Step 4: Simplify right side
    12,348.97x = 74,575,722.89
  5. Step 5: Solve for x
    x = 74,575,722.89/12,348.97
  6. Step 6: Final answer
    x = 6,039.02

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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.