Home / 12,259.21-18,372.61-4,460.53

Finding the Fourth Proportional to 12,259.21, 18,372.61 and 4,460.53

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Solution

The fourth proportional to 12,259.21, 18,372.61 and 4,460.53 is: 6,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.21 : 18,372.61 = 4,460.53 : x
  2. Step 2: Convert to fraction form
    12,259.21/18,372.61 = 4,460.53/x
  3. Step 3: Cross multiply
    12,259.21x = 18,372.61 × 4,460.53
  4. Step 4: Simplify right side
    12,259.21x = 81,951,578.08
  5. Step 5: Solve for x
    x = 81,951,578.08/12,259.21
  6. Step 6: Final answer
    x = 6,684.90

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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.