Home / 7,326.12-10,982.72-3,808.70

Finding the Fourth Proportional to 7,326.12, 10,982.72 and 3,808.70

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Solution

The fourth proportional to 7,326.12, 10,982.72 and 3,808.70 is: 5,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.12 : 10,982.72 = 3,808.70 : x
  2. Step 2: Convert to fraction form
    7,326.12/10,982.72 = 3,808.70/x
  3. Step 3: Cross multiply
    7,326.12x = 10,982.72 × 3,808.70
  4. Step 4: Simplify right side
    7,326.12x = 41,829,885.66
  5. Step 5: Solve for x
    x = 41,829,885.66/7,326.12
  6. Step 6: Final answer
    x = 5,709.69

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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.