Home / 11,269.36-15,546.48-7,291.76

Finding the Fourth Proportional to 11,269.36, 15,546.48 and 7,291.76

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Solution

The fourth proportional to 11,269.36, 15,546.48 and 7,291.76 is: 10,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.36 : 15,546.48 = 7,291.76 : x
  2. Step 2: Convert to fraction form
    11,269.36/15,546.48 = 7,291.76/x
  3. Step 3: Cross multiply
    11,269.36x = 15,546.48 × 7,291.76
  4. Step 4: Simplify right side
    11,269.36x = 113,361,136.94
  5. Step 5: Solve for x
    x = 113,361,136.94/11,269.36
  6. Step 6: Final answer
    x = 10,059.23

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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.