Home / 8,083.12-11,153.03-4,725.28

Finding the Fourth Proportional to 8,083.12, 11,153.03 and 4,725.28

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Solution

The fourth proportional to 8,083.12, 11,153.03 and 4,725.28 is: 6,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.12 : 11,153.03 = 4,725.28 : x
  2. Step 2: Convert to fraction form
    8,083.12/11,153.03 = 4,725.28/x
  3. Step 3: Cross multiply
    8,083.12x = 11,153.03 × 4,725.28
  4. Step 4: Simplify right side
    8,083.12x = 52,701,189.60
  5. Step 5: Solve for x
    x = 52,701,189.60/8,083.12
  6. Step 6: Final answer
    x = 6,519.91

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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.