Home / 10,199.22-15,266.43-5,512.56

Finding the Fourth Proportional to 10,199.22, 15,266.43 and 5,512.56

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Solution

The fourth proportional to 10,199.22, 15,266.43 and 5,512.56 is: 8,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.22 : 15,266.43 = 5,512.56 : x
  2. Step 2: Convert to fraction form
    10,199.22/15,266.43 = 5,512.56/x
  3. Step 3: Cross multiply
    10,199.22x = 15,266.43 × 5,512.56
  4. Step 4: Simplify right side
    10,199.22x = 84,157,111.36
  5. Step 5: Solve for x
    x = 84,157,111.36/10,199.22
  6. Step 6: Final answer
    x = 8,251.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.