Home / 10,470.26-15,707.30-3,450.68

Finding the Fourth Proportional to 10,470.26, 15,707.30 and 3,450.68

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Solution

The fourth proportional to 10,470.26, 15,707.30 and 3,450.68 is: 5,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.26 : 15,707.30 = 3,450.68 : x
  2. Step 2: Convert to fraction form
    10,470.26/15,707.30 = 3,450.68/x
  3. Step 3: Cross multiply
    10,470.26x = 15,707.30 × 3,450.68
  4. Step 4: Simplify right side
    10,470.26x = 54,200,865.96
  5. Step 5: Solve for x
    x = 54,200,865.96/10,470.26
  6. Step 6: Final answer
    x = 5,176.65

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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.