Home / 9,349.75-12,904.31-5,575.09

Finding the Fourth Proportional to 9,349.75, 12,904.31 and 5,575.09

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Solution

The fourth proportional to 9,349.75, 12,904.31 and 5,575.09 is: 7,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.75 : 12,904.31 = 5,575.09 : x
  2. Step 2: Convert to fraction form
    9,349.75/12,904.31 = 5,575.09/x
  3. Step 3: Cross multiply
    9,349.75x = 12,904.31 × 5,575.09
  4. Step 4: Simplify right side
    9,349.75x = 71,942,689.64
  5. Step 5: Solve for x
    x = 71,942,689.64/9,349.75
  6. Step 6: Final answer
    x = 7,694.61

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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.