Home / 10,153.34-15,229.38-2,757.63

Finding the Fourth Proportional to 10,153.34, 15,229.38 and 2,757.63

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Solution

The fourth proportional to 10,153.34, 15,229.38 and 2,757.63 is: 4,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.34 : 15,229.38 = 2,757.63 : x
  2. Step 2: Convert to fraction form
    10,153.34/15,229.38 = 2,757.63/x
  3. Step 3: Cross multiply
    10,153.34x = 15,229.38 × 2,757.63
  4. Step 4: Simplify right side
    10,153.34x = 41,996,995.17
  5. Step 5: Solve for x
    x = 41,996,995.17/10,153.34
  6. Step 6: Final answer
    x = 4,136.28

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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.