Home / 7,401.13-11,027.45-7,202.75

Finding the Fourth Proportional to 7,401.13, 11,027.45 and 7,202.75

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Solution

The fourth proportional to 7,401.13, 11,027.45 and 7,202.75 is: 10,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.13 : 11,027.45 = 7,202.75 : x
  2. Step 2: Convert to fraction form
    7,401.13/11,027.45 = 7,202.75/x
  3. Step 3: Cross multiply
    7,401.13x = 11,027.45 × 7,202.75
  4. Step 4: Simplify right side
    7,401.13x = 79,427,928.36
  5. Step 5: Solve for x
    x = 79,427,928.36/7,401.13
  6. Step 6: Final answer
    x = 10,731.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.