Home / 11,025.24-15,169.68-9,528.36

Finding the Fourth Proportional to 11,025.24, 15,169.68 and 9,528.36

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Solution

The fourth proportional to 11,025.24, 15,169.68 and 9,528.36 is: 13,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.24 : 15,169.68 = 9,528.36 : x
  2. Step 2: Convert to fraction form
    11,025.24/15,169.68 = 9,528.36/x
  3. Step 3: Cross multiply
    11,025.24x = 15,169.68 × 9,528.36
  4. Step 4: Simplify right side
    11,025.24x = 144,542,172.12
  5. Step 5: Solve for x
    x = 144,542,172.12/11,025.24
  6. Step 6: Final answer
    x = 13,110.12

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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.