Home / 7,213.87-9,955.17-4,027.11

Finding the Fourth Proportional to 7,213.87, 9,955.17 and 4,027.11

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Solution

The fourth proportional to 7,213.87, 9,955.17 and 4,027.11 is: 5,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.87 : 9,955.17 = 4,027.11 : x
  2. Step 2: Convert to fraction form
    7,213.87/9,955.17 = 4,027.11/x
  3. Step 3: Cross multiply
    7,213.87x = 9,955.17 × 4,027.11
  4. Step 4: Simplify right side
    7,213.87x = 40,090,512.23
  5. Step 5: Solve for x
    x = 40,090,512.23/7,213.87
  6. Step 6: Final answer
    x = 5,557.42

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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.