Home / 11,831.24-16,327.05-6,453.98

Finding the Fourth Proportional to 11,831.24, 16,327.05 and 6,453.98

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Solution

The fourth proportional to 11,831.24, 16,327.05 and 6,453.98 is: 8,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.24 : 16,327.05 = 6,453.98 : x
  2. Step 2: Convert to fraction form
    11,831.24/16,327.05 = 6,453.98/x
  3. Step 3: Cross multiply
    11,831.24x = 16,327.05 × 6,453.98
  4. Step 4: Simplify right side
    11,831.24x = 105,374,454.16
  5. Step 5: Solve for x
    x = 105,374,454.16/11,831.24
  6. Step 6: Final answer
    x = 8,906.46

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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.