Home / 10,965.63-15,132.20-6,251.43

Finding the Fourth Proportional to 10,965.63, 15,132.20 and 6,251.43

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Solution

The fourth proportional to 10,965.63, 15,132.20 and 6,251.43 is: 8,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.63 : 15,132.20 = 6,251.43 : x
  2. Step 2: Convert to fraction form
    10,965.63/15,132.20 = 6,251.43/x
  3. Step 3: Cross multiply
    10,965.63x = 15,132.20 × 6,251.43
  4. Step 4: Simplify right side
    10,965.63x = 94,597,857.79
  5. Step 5: Solve for x
    x = 94,597,857.79/10,965.63
  6. Step 6: Final answer
    x = 8,626.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.