Home / 9,879.45-14,825.07-3,553.80

Finding the Fourth Proportional to 9,879.45, 14,825.07 and 3,553.80

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Solution

The fourth proportional to 9,879.45, 14,825.07 and 3,553.80 is: 5,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.45 : 14,825.07 = 3,553.80 : x
  2. Step 2: Convert to fraction form
    9,879.45/14,825.07 = 3,553.80/x
  3. Step 3: Cross multiply
    9,879.45x = 14,825.07 × 3,553.80
  4. Step 4: Simplify right side
    9,879.45x = 52,685,333.77
  5. Step 5: Solve for x
    x = 52,685,333.77/9,879.45
  6. Step 6: Final answer
    x = 5,332.82

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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.