Home / 12,562.89-18,841.90-6,321.23

Finding the Fourth Proportional to 12,562.89, 18,841.90 and 6,321.23

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Solution

The fourth proportional to 12,562.89, 18,841.90 and 6,321.23 is: 9,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.89 : 18,841.90 = 6,321.23 : x
  2. Step 2: Convert to fraction form
    12,562.89/18,841.90 = 6,321.23/x
  3. Step 3: Cross multiply
    12,562.89x = 18,841.90 × 6,321.23
  4. Step 4: Simplify right side
    12,562.89x = 119,103,983.54
  5. Step 5: Solve for x
    x = 119,103,983.54/12,562.89
  6. Step 6: Final answer
    x = 9,480.62

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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.