Home / 7,434.60-11,143.80-3,273.90

Finding the Fourth Proportional to 7,434.60, 11,143.80 and 3,273.90

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Solution

The fourth proportional to 7,434.60, 11,143.80 and 3,273.90 is: 4,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.60 : 11,143.80 = 3,273.90 : x
  2. Step 2: Convert to fraction form
    7,434.60/11,143.80 = 3,273.90/x
  3. Step 3: Cross multiply
    7,434.60x = 11,143.80 × 3,273.90
  4. Step 4: Simplify right side
    7,434.60x = 36,483,686.82
  5. Step 5: Solve for x
    x = 36,483,686.82/7,434.60
  6. Step 6: Final answer
    x = 4,907.28

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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.