Home / 11,350.42-15,653.60-7,945.68

Finding the Fourth Proportional to 11,350.42, 15,653.60 and 7,945.68

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Solution

The fourth proportional to 11,350.42, 15,653.60 and 7,945.68 is: 10,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.42 : 15,653.60 = 7,945.68 : x
  2. Step 2: Convert to fraction form
    11,350.42/15,653.60 = 7,945.68/x
  3. Step 3: Cross multiply
    11,350.42x = 15,653.60 × 7,945.68
  4. Step 4: Simplify right side
    11,350.42x = 124,378,567.90
  5. Step 5: Solve for x
    x = 124,378,567.90/11,350.42
  6. Step 6: Final answer
    x = 10,958.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.