Home / 9,515.24-14,267.62-2,939.60

Finding the Fourth Proportional to 9,515.24, 14,267.62 and 2,939.60

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Solution

The fourth proportional to 9,515.24, 14,267.62 and 2,939.60 is: 4,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.24 : 14,267.62 = 2,939.60 : x
  2. Step 2: Convert to fraction form
    9,515.24/14,267.62 = 2,939.60/x
  3. Step 3: Cross multiply
    9,515.24x = 14,267.62 × 2,939.60
  4. Step 4: Simplify right side
    9,515.24x = 41,941,095.75
  5. Step 5: Solve for x
    x = 41,941,095.75/9,515.24
  6. Step 6: Final answer
    x = 4,407.78

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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.