Home / 11,292.75-15,591.31-7,261.39

Finding the Fourth Proportional to 11,292.75, 15,591.31 and 7,261.39

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Solution

The fourth proportional to 11,292.75, 15,591.31 and 7,261.39 is: 10,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.75 : 15,591.31 = 7,261.39 : x
  2. Step 2: Convert to fraction form
    11,292.75/15,591.31 = 7,261.39/x
  3. Step 3: Cross multiply
    11,292.75x = 15,591.31 × 7,261.39
  4. Step 4: Simplify right side
    11,292.75x = 113,214,582.52
  5. Step 5: Solve for x
    x = 113,214,582.52/11,292.75
  6. Step 6: Final answer
    x = 10,025.42

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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.