Home / 11,255.52-15,529.68-9,022.08

Finding the Fourth Proportional to 11,255.52, 15,529.68 and 9,022.08

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Solution

The fourth proportional to 11,255.52, 15,529.68 and 9,022.08 is: 12,448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.52 : 15,529.68 = 9,022.08 : x
  2. Step 2: Convert to fraction form
    11,255.52/15,529.68 = 9,022.08/x
  3. Step 3: Cross multiply
    11,255.52x = 15,529.68 × 9,022.08
  4. Step 4: Simplify right side
    11,255.52x = 140,110,015.33
  5. Step 5: Solve for x
    x = 140,110,015.33/11,255.52
  6. Step 6: Final answer
    x = 12,448.12

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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.