Home / 9,324.54-12,867.39-5,131.98

Finding the Fourth Proportional to 9,324.54, 12,867.39 and 5,131.98

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Solution

The fourth proportional to 9,324.54, 12,867.39 and 5,131.98 is: 7,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.54 : 12,867.39 = 5,131.98 : x
  2. Step 2: Convert to fraction form
    9,324.54/12,867.39 = 5,131.98/x
  3. Step 3: Cross multiply
    9,324.54x = 12,867.39 × 5,131.98
  4. Step 4: Simplify right side
    9,324.54x = 66,035,188.13
  5. Step 5: Solve for x
    x = 66,035,188.13/9,324.54
  6. Step 6: Final answer
    x = 7,081.87

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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.