Home / 10,274.20-15,412.38-3,347.08

Finding the Fourth Proportional to 10,274.20, 15,412.38 and 3,347.08

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Solution

The fourth proportional to 10,274.20, 15,412.38 and 3,347.08 is: 5,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.20 : 15,412.38 = 3,347.08 : x
  2. Step 2: Convert to fraction form
    10,274.20/15,412.38 = 3,347.08/x
  3. Step 3: Cross multiply
    10,274.20x = 15,412.38 × 3,347.08
  4. Step 4: Simplify right side
    10,274.20x = 51,586,468.85
  5. Step 5: Solve for x
    x = 51,586,468.85/10,274.20
  6. Step 6: Final answer
    x = 5,020.97

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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.