Home / 7,437.50-11,144.39-3,927.36

Finding the Fourth Proportional to 7,437.50, 11,144.39 and 3,927.36

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Solution

The fourth proportional to 7,437.50, 11,144.39 and 3,927.36 is: 5,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.50 : 11,144.39 = 3,927.36 : x
  2. Step 2: Convert to fraction form
    7,437.50/11,144.39 = 3,927.36/x
  3. Step 3: Cross multiply
    7,437.50x = 11,144.39 × 3,927.36
  4. Step 4: Simplify right side
    7,437.50x = 43,768,011.87
  5. Step 5: Solve for x
    x = 43,768,011.87/7,437.50
  6. Step 6: Final answer
    x = 5,884.78

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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.