Home / 12,861.54-19,294.62-4,546.41

Finding the Fourth Proportional to 12,861.54, 19,294.62 and 4,546.41

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Solution

The fourth proportional to 12,861.54, 19,294.62 and 4,546.41 is: 6,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861.54 : 19,294.62 = 4,546.41 : x
  2. Step 2: Convert to fraction form
    12,861.54/19,294.62 = 4,546.41/x
  3. Step 3: Cross multiply
    12,861.54x = 19,294.62 × 4,546.41
  4. Step 4: Simplify right side
    12,861.54x = 87,721,253.31
  5. Step 5: Solve for x
    x = 87,721,253.31/12,861.54
  6. Step 6: Final answer
    x = 6,820.43

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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.