Home / 8,325.45-12,484.53-2,480.90

Finding the Fourth Proportional to 8,325.45, 12,484.53 and 2,480.90

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Solution

The fourth proportional to 8,325.45, 12,484.53 and 2,480.90 is: 3,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.45 : 12,484.53 = 2,480.90 : x
  2. Step 2: Convert to fraction form
    8,325.45/12,484.53 = 2,480.90/x
  3. Step 3: Cross multiply
    8,325.45x = 12,484.53 × 2,480.90
  4. Step 4: Simplify right side
    8,325.45x = 30,972,808.05
  5. Step 5: Solve for x
    x = 30,972,808.05/8,325.45
  6. Step 6: Final answer
    x = 3,720.26

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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.