Home / 10,932.51-16,398.71-9,447.22

Finding the Fourth Proportional to 10,932.51, 16,398.71 and 9,447.22

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Solution

The fourth proportional to 10,932.51, 16,398.71 and 9,447.22 is: 14,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.51 : 16,398.71 = 9,447.22 : x
  2. Step 2: Convert to fraction form
    10,932.51/16,398.71 = 9,447.22/x
  3. Step 3: Cross multiply
    10,932.51x = 16,398.71 × 9,447.22
  4. Step 4: Simplify right side
    10,932.51x = 154,922,091.86
  5. Step 5: Solve for x
    x = 154,922,091.86/10,932.51
  6. Step 6: Final answer
    x = 14,170.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.