Home / 10,470.30-15,707.37-3,450.73

Finding the Fourth Proportional to 10,470.30, 15,707.37 and 3,450.73

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Solution

The fourth proportional to 10,470.30, 15,707.37 and 3,450.73 is: 5,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.30 : 15,707.37 = 3,450.73 : x
  2. Step 2: Convert to fraction form
    10,470.30/15,707.37 = 3,450.73/x
  3. Step 3: Cross multiply
    10,470.30x = 15,707.37 × 3,450.73
  4. Step 4: Simplify right side
    10,470.30x = 54,201,853.61
  5. Step 5: Solve for x
    x = 54,201,853.61/10,470.30
  6. Step 6: Final answer
    x = 5,176.72

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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.