Home / 8,301.20-12,451.83-2,378.08

Finding the Fourth Proportional to 8,301.20, 12,451.83 and 2,378.08

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Solution

The fourth proportional to 8,301.20, 12,451.83 and 2,378.08 is: 3,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.20 : 12,451.83 = 2,378.08 : x
  2. Step 2: Convert to fraction form
    8,301.20/12,451.83 = 2,378.08/x
  3. Step 3: Cross multiply
    8,301.20x = 12,451.83 × 2,378.08
  4. Step 4: Simplify right side
    8,301.20x = 29,611,407.84
  5. Step 5: Solve for x
    x = 29,611,407.84/8,301.20
  6. Step 6: Final answer
    x = 3,567.12

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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.