Home / 7,725.12-10,647.36-5,952.96

Finding the Fourth Proportional to 7,725.12, 10,647.36 and 5,952.96

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Solution

The fourth proportional to 7,725.12, 10,647.36 and 5,952.96 is: 8,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.12 : 10,647.36 = 5,952.96 : x
  2. Step 2: Convert to fraction form
    7,725.12/10,647.36 = 5,952.96/x
  3. Step 3: Cross multiply
    7,725.12x = 10,647.36 × 5,952.96
  4. Step 4: Simplify right side
    7,725.12x = 63,383,308.19
  5. Step 5: Solve for x
    x = 63,383,308.19/7,725.12
  6. Step 6: Final answer
    x = 8,204.83

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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.