Home / 11,292.58-15,591.54-8,635.36

Finding the Fourth Proportional to 11,292.58, 15,591.54 and 8,635.36

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Solution

The fourth proportional to 11,292.58, 15,591.54 and 8,635.36 is: 11,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.58 : 15,591.54 = 8,635.36 : x
  2. Step 2: Convert to fraction form
    11,292.58/15,591.54 = 8,635.36/x
  3. Step 3: Cross multiply
    11,292.58x = 15,591.54 × 8,635.36
  4. Step 4: Simplify right side
    11,292.58x = 134,638,560.85
  5. Step 5: Solve for x
    x = 134,638,560.85/11,292.58
  6. Step 6: Final answer
    x = 11,922.75

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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.