Home / 8,249.10-12,366.45-7,374.30

Finding the Fourth Proportional to 8,249.10, 12,366.45 and 7,374.30

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Solution

The fourth proportional to 8,249.10, 12,366.45 and 7,374.30 is: 11,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.10 : 12,366.45 = 7,374.30 : x
  2. Step 2: Convert to fraction form
    8,249.10/12,366.45 = 7,374.30/x
  3. Step 3: Cross multiply
    8,249.10x = 12,366.45 × 7,374.30
  4. Step 4: Simplify right side
    8,249.10x = 91,193,912.24
  5. Step 5: Solve for x
    x = 91,193,912.24/8,249.10
  6. Step 6: Final answer
    x = 11,055.01

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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.