Home / 12,546.93-18,820.42-4,232.78

Finding the Fourth Proportional to 12,546.93, 18,820.42 and 4,232.78

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Solution

The fourth proportional to 12,546.93, 18,820.42 and 4,232.78 is: 6,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.93 : 18,820.42 = 4,232.78 : x
  2. Step 2: Convert to fraction form
    12,546.93/18,820.42 = 4,232.78/x
  3. Step 3: Cross multiply
    12,546.93x = 18,820.42 × 4,232.78
  4. Step 4: Simplify right side
    12,546.93x = 79,662,697.37
  5. Step 5: Solve for x
    x = 79,662,697.37/12,546.93
  6. Step 6: Final answer
    x = 6,349.18

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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.