Home / 7,480.27-11,220.45-3,097.65

Finding the Fourth Proportional to 7,480.27, 11,220.45 and 3,097.65

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Solution

The fourth proportional to 7,480.27, 11,220.45 and 3,097.65 is: 4,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.27 : 11,220.45 = 3,097.65 : x
  2. Step 2: Convert to fraction form
    7,480.27/11,220.45 = 3,097.65/x
  3. Step 3: Cross multiply
    7,480.27x = 11,220.45 × 3,097.65
  4. Step 4: Simplify right side
    7,480.27x = 34,757,026.94
  5. Step 5: Solve for x
    x = 34,757,026.94/7,480.27
  6. Step 6: Final answer
    x = 4,646.49

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Double scale
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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.