Home / 12,416.11-18,620.21-4,094.57

Finding the Fourth Proportional to 12,416.11, 18,620.21 and 4,094.57

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Solution

The fourth proportional to 12,416.11, 18,620.21 and 4,094.57 is: 6,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.11 : 18,620.21 = 4,094.57 : x
  2. Step 2: Convert to fraction form
    12,416.11/18,620.21 = 4,094.57/x
  3. Step 3: Cross multiply
    12,416.11x = 18,620.21 × 4,094.57
  4. Step 4: Simplify right side
    12,416.11x = 76,241,753.26
  5. Step 5: Solve for x
    x = 76,241,753.26/12,416.11
  6. Step 6: Final answer
    x = 6,140.55

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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.