Home / 11,290.24-15,571.20-7,563.52

Finding the Fourth Proportional to 11,290.24, 15,571.20 and 7,563.52

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Solution

The fourth proportional to 11,290.24, 15,571.20 and 7,563.52 is: 10,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.24 : 15,571.20 = 7,563.52 : x
  2. Step 2: Convert to fraction form
    11,290.24/15,571.20 = 7,563.52/x
  3. Step 3: Cross multiply
    11,290.24x = 15,571.20 × 7,563.52
  4. Step 4: Simplify right side
    11,290.24x = 117,773,082.62
  5. Step 5: Solve for x
    x = 117,773,082.62/11,290.24
  6. Step 6: Final answer
    x = 10,431.41

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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.