Home / 11,355.85-17,036.07-3,958.32

Finding the Fourth Proportional to 11,355.85, 17,036.07 and 3,958.32

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Solution

The fourth proportional to 11,355.85, 17,036.07 and 3,958.32 is: 5,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.85 : 17,036.07 = 3,958.32 : x
  2. Step 2: Convert to fraction form
    11,355.85/17,036.07 = 3,958.32/x
  3. Step 3: Cross multiply
    11,355.85x = 17,036.07 × 3,958.32
  4. Step 4: Simplify right side
    11,355.85x = 67,434,216.60
  5. Step 5: Solve for x
    x = 67,434,216.60/11,355.85
  6. Step 6: Final answer
    x = 5,938.28

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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.