Home / 10,229.84-15,344.70-2,631.12

Finding the Fourth Proportional to 10,229.84, 15,344.70 and 2,631.12

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Solution

The fourth proportional to 10,229.84, 15,344.70 and 2,631.12 is: 3,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.84 : 15,344.70 = 2,631.12 : x
  2. Step 2: Convert to fraction form
    10,229.84/15,344.70 = 2,631.12/x
  3. Step 3: Cross multiply
    10,229.84x = 15,344.70 × 2,631.12
  4. Step 4: Simplify right side
    10,229.84x = 40,373,687.05
  5. Step 5: Solve for x
    x = 40,373,687.05/10,229.84
  6. Step 6: Final answer
    x = 3,946.66

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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.