Home / 8,072.77-11,139.24-4,535.28

Finding the Fourth Proportional to 8,072.77, 11,139.24 and 4,535.28

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Solution

The fourth proportional to 8,072.77, 11,139.24 and 4,535.28 is: 6,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.77 : 11,139.24 = 4,535.28 : x
  2. Step 2: Convert to fraction form
    8,072.77/11,139.24 = 4,535.28/x
  3. Step 3: Cross multiply
    8,072.77x = 11,139.24 × 4,535.28
  4. Step 4: Simplify right side
    8,072.77x = 50,519,572.39
  5. Step 5: Solve for x
    x = 50,519,572.39/8,072.77
  6. Step 6: Final answer
    x = 6,258.02

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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.