Home / 11,230.26-15,503.91-7,832.22

Finding the Fourth Proportional to 11,230.26, 15,503.91 and 7,832.22

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Solution

The fourth proportional to 11,230.26, 15,503.91 and 7,832.22 is: 10,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.26 : 15,503.91 = 7,832.22 : x
  2. Step 2: Convert to fraction form
    11,230.26/15,503.91 = 7,832.22/x
  3. Step 3: Cross multiply
    11,230.26x = 15,503.91 × 7,832.22
  4. Step 4: Simplify right side
    11,230.26x = 121,430,033.98
  5. Step 5: Solve for x
    x = 121,430,033.98/11,230.26
  6. Step 6: Final answer
    x = 10,812.75

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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.