Home / 10,279.23-15,418.83-2,488.04

Finding the Fourth Proportional to 10,279.23, 15,418.83 and 2,488.04

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Solution

The fourth proportional to 10,279.23, 15,418.83 and 2,488.04 is: 3,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.23 : 15,418.83 = 2,488.04 : x
  2. Step 2: Convert to fraction form
    10,279.23/15,418.83 = 2,488.04/x
  3. Step 3: Cross multiply
    10,279.23x = 15,418.83 × 2,488.04
  4. Step 4: Simplify right side
    10,279.23x = 38,362,665.79
  5. Step 5: Solve for x
    x = 38,362,665.79/10,279.23
  6. Step 6: Final answer
    x = 3,732.06

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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.