Home / 11,551.44-15,930.36-7,571.10

Finding the Fourth Proportional to 11,551.44, 15,930.36 and 7,571.10

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Solution

The fourth proportional to 11,551.44, 15,930.36 and 7,571.10 is: 10,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.44 : 15,930.36 = 7,571.10 : x
  2. Step 2: Convert to fraction form
    11,551.44/15,930.36 = 7,571.10/x
  3. Step 3: Cross multiply
    11,551.44x = 15,930.36 × 7,571.10
  4. Step 4: Simplify right side
    11,551.44x = 120,610,348.60
  5. Step 5: Solve for x
    x = 120,610,348.60/11,551.44
  6. Step 6: Final answer
    x = 10,441.15

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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.