Home / 11,471.79-17,203.55-3,973.32

Finding the Fourth Proportional to 11,471.79, 17,203.55 and 3,973.32

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Solution

The fourth proportional to 11,471.79, 17,203.55 and 3,973.32 is: 5,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471.79 : 17,203.55 = 3,973.32 : x
  2. Step 2: Convert to fraction form
    11,471.79/17,203.55 = 3,973.32/x
  3. Step 3: Cross multiply
    11,471.79x = 17,203.55 × 3,973.32
  4. Step 4: Simplify right side
    11,471.79x = 68,355,189.42
  5. Step 5: Solve for x
    x = 68,355,189.42/11,471.79
  6. Step 6: Final answer
    x = 5,958.55

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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.