Home / 9,273.38-13,911.87-3,430.04

Finding the Fourth Proportional to 9,273.38, 13,911.87 and 3,430.04

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Solution

The fourth proportional to 9,273.38, 13,911.87 and 3,430.04 is: 5,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.38 : 13,911.87 = 3,430.04 : x
  2. Step 2: Convert to fraction form
    9,273.38/13,911.87 = 3,430.04/x
  3. Step 3: Cross multiply
    9,273.38x = 13,911.87 × 3,430.04
  4. Step 4: Simplify right side
    9,273.38x = 47,718,201.02
  5. Step 5: Solve for x
    x = 47,718,201.02/9,273.38
  6. Step 6: Final answer
    x = 5,145.72

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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.