Home / 12,562.40-18,843.60-3,803.44

Finding the Fourth Proportional to 12,562.40, 18,843.60 and 3,803.44

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Solution

The fourth proportional to 12,562.40, 18,843.60 and 3,803.44 is: 5,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.40 : 18,843.60 = 3,803.44 : x
  2. Step 2: Convert to fraction form
    12,562.40/18,843.60 = 3,803.44/x
  3. Step 3: Cross multiply
    12,562.40x = 18,843.60 × 3,803.44
  4. Step 4: Simplify right side
    12,562.40x = 71,670,501.98
  5. Step 5: Solve for x
    x = 71,670,501.98/12,562.40
  6. Step 6: Final answer
    x = 5,705.16

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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.