Home / 11,251.98-15,524.87-7,660.44

Finding the Fourth Proportional to 11,251.98, 15,524.87 and 7,660.44

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Solution

The fourth proportional to 11,251.98, 15,524.87 and 7,660.44 is: 10,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.98 : 15,524.87 = 7,660.44 : x
  2. Step 2: Convert to fraction form
    11,251.98/15,524.87 = 7,660.44/x
  3. Step 3: Cross multiply
    11,251.98x = 15,524.87 × 7,660.44
  4. Step 4: Simplify right side
    11,251.98x = 118,927,296.84
  5. Step 5: Solve for x
    x = 118,927,296.84/11,251.98
  6. Step 6: Final answer
    x = 10,569.46

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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.