Home / 8,125.39-11,213.16-4,540.76

Finding the Fourth Proportional to 8,125.39, 11,213.16 and 4,540.76

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Solution

The fourth proportional to 8,125.39, 11,213.16 and 4,540.76 is: 6,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.39 : 11,213.16 = 4,540.76 : x
  2. Step 2: Convert to fraction form
    8,125.39/11,213.16 = 4,540.76/x
  3. Step 3: Cross multiply
    8,125.39x = 11,213.16 × 4,540.76
  4. Step 4: Simplify right side
    8,125.39x = 50,916,250.13
  5. Step 5: Solve for x
    x = 50,916,250.13/8,125.39
  6. Step 6: Final answer
    x = 6,266.32

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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.