Home / 7,455.20-11,174.60-4,983.89

Finding the Fourth Proportional to 7,455.20, 11,174.60 and 4,983.89

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Solution

The fourth proportional to 7,455.20, 11,174.60 and 4,983.89 is: 7,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.20 : 11,174.60 = 4,983.89 : x
  2. Step 2: Convert to fraction form
    7,455.20/11,174.60 = 4,983.89/x
  3. Step 3: Cross multiply
    7,455.20x = 11,174.60 × 4,983.89
  4. Step 4: Simplify right side
    7,455.20x = 55,692,982.62
  5. Step 5: Solve for x
    x = 55,692,982.62/7,455.20
  6. Step 6: Final answer
    x = 7,470.35

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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.