Home / 11,227.55-15,504.48-7,043.09

Finding the Fourth Proportional to 11,227.55, 15,504.48 and 7,043.09

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Solution

The fourth proportional to 11,227.55, 15,504.48 and 7,043.09 is: 9,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.55 : 15,504.48 = 7,043.09 : x
  2. Step 2: Convert to fraction form
    11,227.55/15,504.48 = 7,043.09/x
  3. Step 3: Cross multiply
    11,227.55x = 15,504.48 × 7,043.09
  4. Step 4: Simplify right side
    11,227.55x = 109,199,370.52
  5. Step 5: Solve for x
    x = 109,199,370.52/11,227.55
  6. Step 6: Final answer
    x = 9,726.02

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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.