Home / 9,708.24-14,562.60-2,782.80

Finding the Fourth Proportional to 9,708.24, 14,562.60 and 2,782.80

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Solution

The fourth proportional to 9,708.24, 14,562.60 and 2,782.80 is: 4,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.24 : 14,562.60 = 2,782.80 : x
  2. Step 2: Convert to fraction form
    9,708.24/14,562.60 = 2,782.80/x
  3. Step 3: Cross multiply
    9,708.24x = 14,562.60 × 2,782.80
  4. Step 4: Simplify right side
    9,708.24x = 40,524,803.28
  5. Step 5: Solve for x
    x = 40,524,803.28/9,708.24
  6. Step 6: Final answer
    x = 4,174.27

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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.