Home / 10,126.74-15,190.29-3,553.14

Finding the Fourth Proportional to 10,126.74, 15,190.29 and 3,553.14

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Solution

The fourth proportional to 10,126.74, 15,190.29 and 3,553.14 is: 5,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.74 : 15,190.29 = 3,553.14 : x
  2. Step 2: Convert to fraction form
    10,126.74/15,190.29 = 3,553.14/x
  3. Step 3: Cross multiply
    10,126.74x = 15,190.29 × 3,553.14
  4. Step 4: Simplify right side
    10,126.74x = 53,973,227.01
  5. Step 5: Solve for x
    x = 53,973,227.01/10,126.74
  6. Step 6: Final answer
    x = 5,329.77

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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.