Home / 11,453.60-17,180.16-6,191.12

Finding the Fourth Proportional to 11,453.60, 17,180.16 and 6,191.12

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Solution

The fourth proportional to 11,453.60, 17,180.16 and 6,191.12 is: 9,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.60 : 17,180.16 = 6,191.12 : x
  2. Step 2: Convert to fraction form
    11,453.60/17,180.16 = 6,191.12/x
  3. Step 3: Cross multiply
    11,453.60x = 17,180.16 × 6,191.12
  4. Step 4: Simplify right side
    11,453.60x = 106,364,432.18
  5. Step 5: Solve for x
    x = 106,364,432.18/11,453.60
  6. Step 6: Final answer
    x = 9,286.55

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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.