Home / 11,185.43-15,433.94-6,937.52

Finding the Fourth Proportional to 11,185.43, 15,433.94 and 6,937.52

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Solution

The fourth proportional to 11,185.43, 15,433.94 and 6,937.52 is: 9,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.43 : 15,433.94 = 6,937.52 : x
  2. Step 2: Convert to fraction form
    11,185.43/15,433.94 = 6,937.52/x
  3. Step 3: Cross multiply
    11,185.43x = 15,433.94 × 6,937.52
  4. Step 4: Simplify right side
    11,185.43x = 107,073,207.60
  5. Step 5: Solve for x
    x = 107,073,207.60/11,185.43
  6. Step 6: Final answer
    x = 9,572.56

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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.