Home / 11,546.12-15,831.49-10,422.92

Finding the Fourth Proportional to 11,546.12, 15,831.49 and 10,422.92

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Solution

The fourth proportional to 11,546.12, 15,831.49 and 10,422.92 is: 14,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.12 : 15,831.49 = 10,422.92 : x
  2. Step 2: Convert to fraction form
    11,546.12/15,831.49 = 10,422.92/x
  3. Step 3: Cross multiply
    11,546.12x = 15,831.49 × 10,422.92
  4. Step 4: Simplify right side
    11,546.12x = 165,010,353.75
  5. Step 5: Solve for x
    x = 165,010,353.75/11,546.12
  6. Step 6: Final answer
    x = 14,291.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.