Home / 8,157.44-12,232.40-2,609.54

Finding the Fourth Proportional to 8,157.44, 12,232.40 and 2,609.54

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Solution

The fourth proportional to 8,157.44, 12,232.40 and 2,609.54 is: 3,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.44 : 12,232.40 = 2,609.54 : x
  2. Step 2: Convert to fraction form
    8,157.44/12,232.40 = 2,609.54/x
  3. Step 3: Cross multiply
    8,157.44x = 12,232.40 × 2,609.54
  4. Step 4: Simplify right side
    8,157.44x = 31,920,937.10
  5. Step 5: Solve for x
    x = 31,920,937.10/8,157.44
  6. Step 6: Final answer
    x = 3,913.11

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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.