Home / 9,199.13-12,694.79-5,007.38

Finding the Fourth Proportional to 9,199.13, 12,694.79 and 5,007.38

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Solution

The fourth proportional to 9,199.13, 12,694.79 and 5,007.38 is: 6,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.13 : 12,694.79 = 5,007.38 : x
  2. Step 2: Convert to fraction form
    9,199.13/12,694.79 = 5,007.38/x
  3. Step 3: Cross multiply
    9,199.13x = 12,694.79 × 5,007.38
  4. Step 4: Simplify right side
    9,199.13x = 63,567,586.59
  5. Step 5: Solve for x
    x = 63,567,586.59/9,199.13
  6. Step 6: Final answer
    x = 6,910.18

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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.