Home / 8,301.12-12,453.24-3,621.12

Finding the Fourth Proportional to 8,301.12, 12,453.24 and 3,621.12

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Solution

The fourth proportional to 8,301.12, 12,453.24 and 3,621.12 is: 5,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.12 : 12,453.24 = 3,621.12 : x
  2. Step 2: Convert to fraction form
    8,301.12/12,453.24 = 3,621.12/x
  3. Step 3: Cross multiply
    8,301.12x = 12,453.24 × 3,621.12
  4. Step 4: Simplify right side
    8,301.12x = 45,094,676.43
  5. Step 5: Solve for x
    x = 45,094,676.43/8,301.12
  6. Step 6: Final answer
    x = 5,432.36

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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.