Home / 8,699.22-13,049.49-2,856.42

Finding the Fourth Proportional to 8,699.22, 13,049.49 and 2,856.42

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Solution

The fourth proportional to 8,699.22, 13,049.49 and 2,856.42 is: 4,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.22 : 13,049.49 = 2,856.42 : x
  2. Step 2: Convert to fraction form
    8,699.22/13,049.49 = 2,856.42/x
  3. Step 3: Cross multiply
    8,699.22x = 13,049.49 × 2,856.42
  4. Step 4: Simplify right side
    8,699.22x = 37,274,824.23
  5. Step 5: Solve for x
    x = 37,274,824.23/8,699.22
  6. Step 6: Final answer
    x = 4,284.85

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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.