Home / 10,803.04-16,198.16-4,139.92

Finding the Fourth Proportional to 10,803.04, 16,198.16 and 4,139.92

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Solution

The fourth proportional to 10,803.04, 16,198.16 and 4,139.92 is: 6,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.04 : 16,198.16 = 4,139.92 : x
  2. Step 2: Convert to fraction form
    10,803.04/16,198.16 = 4,139.92/x
  3. Step 3: Cross multiply
    10,803.04x = 16,198.16 × 4,139.92
  4. Step 4: Simplify right side
    10,803.04x = 67,059,086.55
  5. Step 5: Solve for x
    x = 67,059,086.55/10,803.04
  6. Step 6: Final answer
    x = 6,207.43

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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.