Home / 10,577.50-15,867.15-2,786.34

Finding the Fourth Proportional to 10,577.50, 15,867.15 and 2,786.34

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Solution

The fourth proportional to 10,577.50, 15,867.15 and 2,786.34 is: 4,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.50 : 15,867.15 = 2,786.34 : x
  2. Step 2: Convert to fraction form
    10,577.50/15,867.15 = 2,786.34/x
  3. Step 3: Cross multiply
    10,577.50x = 15,867.15 × 2,786.34
  4. Step 4: Simplify right side
    10,577.50x = 44,211,274.73
  5. Step 5: Solve for x
    x = 44,211,274.73/10,577.50
  6. Step 6: Final answer
    x = 4,179.75

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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.