Home / 7,273.46-10,911.11-3,572.57

Finding the Fourth Proportional to 7,273.46, 10,911.11 and 3,572.57

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Solution

The fourth proportional to 7,273.46, 10,911.11 and 3,572.57 is: 5,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.46 : 10,911.11 = 3,572.57 : x
  2. Step 2: Convert to fraction form
    7,273.46/10,911.11 = 3,572.57/x
  3. Step 3: Cross multiply
    7,273.46x = 10,911.11 × 3,572.57
  4. Step 4: Simplify right side
    7,273.46x = 38,980,713.67
  5. Step 5: Solve for x
    x = 38,980,713.67/7,273.46
  6. Step 6: Final answer
    x = 5,359.31

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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.