Home / 7,177.24-9,903.72-4,193.80

Finding the Fourth Proportional to 7,177.24, 9,903.72 and 4,193.80

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Solution

The fourth proportional to 7,177.24, 9,903.72 and 4,193.80 is: 5,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.24 : 9,903.72 = 4,193.80 : x
  2. Step 2: Convert to fraction form
    7,177.24/9,903.72 = 4,193.80/x
  3. Step 3: Cross multiply
    7,177.24x = 9,903.72 × 4,193.80
  4. Step 4: Simplify right side
    7,177.24x = 41,534,220.94
  5. Step 5: Solve for x
    x = 41,534,220.94/7,177.24
  6. Step 6: Final answer
    x = 5,786.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.