Home / 10,161.37-15,246.92-3,590.65

Finding the Fourth Proportional to 10,161.37, 15,246.92 and 3,590.65

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Solution

The fourth proportional to 10,161.37, 15,246.92 and 3,590.65 is: 5,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.37 : 15,246.92 = 3,590.65 : x
  2. Step 2: Convert to fraction form
    10,161.37/15,246.92 = 3,590.65/x
  3. Step 3: Cross multiply
    10,161.37x = 15,246.92 × 3,590.65
  4. Step 4: Simplify right side
    10,161.37x = 54,746,403.19
  5. Step 5: Solve for x
    x = 54,746,403.19/10,161.37
  6. Step 6: Final answer
    x = 5,387.70

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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.