Home / 11,282.64-15,575.14-7,255.32

Finding the Fourth Proportional to 11,282.64, 15,575.14 and 7,255.32

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Solution

The fourth proportional to 11,282.64, 15,575.14 and 7,255.32 is: 10,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.64 : 15,575.14 = 7,255.32 : x
  2. Step 2: Convert to fraction form
    11,282.64/15,575.14 = 7,255.32/x
  3. Step 3: Cross multiply
    11,282.64x = 15,575.14 × 7,255.32
  4. Step 4: Simplify right side
    11,282.64x = 113,002,622.21
  5. Step 5: Solve for x
    x = 113,002,622.21/11,282.64
  6. Step 6: Final answer
    x = 10,015.62

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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.