Home / 9,247.12-12,760.98-5,214.38

Finding the Fourth Proportional to 9,247.12, 12,760.98 and 5,214.38

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Solution

The fourth proportional to 9,247.12, 12,760.98 and 5,214.38 is: 7,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.12 : 12,760.98 = 5,214.38 : x
  2. Step 2: Convert to fraction form
    9,247.12/12,760.98 = 5,214.38/x
  3. Step 3: Cross multiply
    9,247.12x = 12,760.98 × 5,214.38
  4. Step 4: Simplify right side
    9,247.12x = 66,540,535.09
  5. Step 5: Solve for x
    x = 66,540,535.09/9,247.12
  6. Step 6: Final answer
    x = 7,195.81

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Double scale
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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.