Home / 9,305.01-12,839.87-5,326.90

Finding the Fourth Proportional to 9,305.01, 12,839.87 and 5,326.90

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Solution

The fourth proportional to 9,305.01, 12,839.87 and 5,326.90 is: 7,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.01 : 12,839.87 = 5,326.90 : x
  2. Step 2: Convert to fraction form
    9,305.01/12,839.87 = 5,326.90/x
  3. Step 3: Cross multiply
    9,305.01x = 12,839.87 × 5,326.90
  4. Step 4: Simplify right side
    9,305.01x = 68,396,654.76
  5. Step 5: Solve for x
    x = 68,396,654.76/9,305.01
  6. Step 6: Final answer
    x = 7,350.52

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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.