Home / 9,237.27-12,744.27-5,257.38

Finding the Fourth Proportional to 9,237.27, 12,744.27 and 5,257.38

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Solution

The fourth proportional to 9,237.27, 12,744.27 and 5,257.38 is: 7,253.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.27 : 12,744.27 = 5,257.38 : x
  2. Step 2: Convert to fraction form
    9,237.27/12,744.27 = 5,257.38/x
  3. Step 3: Cross multiply
    9,237.27x = 12,744.27 × 5,257.38
  4. Step 4: Simplify right side
    9,237.27x = 67,001,470.21
  5. Step 5: Solve for x
    x = 67,001,470.21/9,237.27
  6. Step 6: Final answer
    x = 7,253.38

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Half scale
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Double scale
Find fourth proportional to 9,238.27, 12,745.65 and 5,258.38
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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.