Home / 7,410.96-11,112.33-3,031.49

Finding the Fourth Proportional to 7,410.96, 11,112.33 and 3,031.49

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Solution

The fourth proportional to 7,410.96, 11,112.33 and 3,031.49 is: 4,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.96 : 11,112.33 = 3,031.49 : x
  2. Step 2: Convert to fraction form
    7,410.96/11,112.33 = 3,031.49/x
  3. Step 3: Cross multiply
    7,410.96x = 11,112.33 × 3,031.49
  4. Step 4: Simplify right side
    7,410.96x = 33,686,945.05
  5. Step 5: Solve for x
    x = 33,686,945.05/7,410.96
  6. Step 6: Final answer
    x = 4,545.56

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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.