Home / 9,306.12-12,842.22-5,326.98

Finding the Fourth Proportional to 9,306.12, 12,842.22 and 5,326.98

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Solution

The fourth proportional to 9,306.12, 12,842.22 and 5,326.98 is: 7,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.12 : 12,842.22 = 5,326.98 : x
  2. Step 2: Convert to fraction form
    9,306.12/12,842.22 = 5,326.98/x
  3. Step 3: Cross multiply
    9,306.12x = 12,842.22 × 5,326.98
  4. Step 4: Simplify right side
    9,306.12x = 68,410,249.10
  5. Step 5: Solve for x
    x = 68,410,249.10/9,306.12
  6. Step 6: Final answer
    x = 7,351.10

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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.