Home / 7,468.11-11,202.48-1,921.68

Finding the Fourth Proportional to 7,468.11, 11,202.48 and 1,921.68

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Solution

The fourth proportional to 7,468.11, 11,202.48 and 1,921.68 is: 2,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.11 : 11,202.48 = 1,921.68 : x
  2. Step 2: Convert to fraction form
    7,468.11/11,202.48 = 1,921.68/x
  3. Step 3: Cross multiply
    7,468.11x = 11,202.48 × 1,921.68
  4. Step 4: Simplify right side
    7,468.11x = 21,527,581.77
  5. Step 5: Solve for x
    x = 21,527,581.77/7,468.11
  6. Step 6: Final answer
    x = 2,882.60

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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.