Home / 10,315.26-15,470.41-4,763.27

Finding the Fourth Proportional to 10,315.26, 15,470.41 and 4,763.27

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Solution

The fourth proportional to 10,315.26, 15,470.41 and 4,763.27 is: 7,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.26 : 15,470.41 = 4,763.27 : x
  2. Step 2: Convert to fraction form
    10,315.26/15,470.41 = 4,763.27/x
  3. Step 3: Cross multiply
    10,315.26x = 15,470.41 × 4,763.27
  4. Step 4: Simplify right side
    10,315.26x = 73,689,739.84
  5. Step 5: Solve for x
    x = 73,689,739.84/10,315.26
  6. Step 6: Final answer
    x = 7,143.76

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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.