Home / 8,072.64-11,139.66-4,535.22

Finding the Fourth Proportional to 8,072.64, 11,139.66 and 4,535.22

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Solution

The fourth proportional to 8,072.64, 11,139.66 and 4,535.22 is: 6,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.64 : 11,139.66 = 4,535.22 : x
  2. Step 2: Convert to fraction form
    8,072.64/11,139.66 = 4,535.22/x
  3. Step 3: Cross multiply
    8,072.64x = 11,139.66 × 4,535.22
  4. Step 4: Simplify right side
    8,072.64x = 50,520,808.83
  5. Step 5: Solve for x
    x = 50,520,808.83/8,072.64
  6. Step 6: Final answer
    x = 6,258.28

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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.