Home / 8,305.33-12,463.83-7,511.28

Finding the Fourth Proportional to 8,305.33, 12,463.83 and 7,511.28

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Solution

The fourth proportional to 8,305.33, 12,463.83 and 7,511.28 is: 11,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.33 : 12,463.83 = 7,511.28 : x
  2. Step 2: Convert to fraction form
    8,305.33/12,463.83 = 7,511.28/x
  3. Step 3: Cross multiply
    8,305.33x = 12,463.83 × 7,511.28
  4. Step 4: Simplify right side
    8,305.33x = 93,619,278.49
  5. Step 5: Solve for x
    x = 93,619,278.49/8,305.33
  6. Step 6: Final answer
    x = 11,272.20

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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.