Home / 7,475.76-11,207.27-3,313.50

Finding the Fourth Proportional to 7,475.76, 11,207.27 and 3,313.50

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Solution

The fourth proportional to 7,475.76, 11,207.27 and 3,313.50 is: 4,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.76 : 11,207.27 = 3,313.50 : x
  2. Step 2: Convert to fraction form
    7,475.76/11,207.27 = 3,313.50/x
  3. Step 3: Cross multiply
    7,475.76x = 11,207.27 × 3,313.50
  4. Step 4: Simplify right side
    7,475.76x = 37,135,277.60
  5. Step 5: Solve for x
    x = 37,135,277.60/7,475.76
  6. Step 6: Final answer
    x = 4,967.43

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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.