Home / 10,757.22-16,138.71-9,729.06

Finding the Fourth Proportional to 10,757.22, 16,138.71 and 9,729.06

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Solution

The fourth proportional to 10,757.22, 16,138.71 and 9,729.06 is: 14,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,757.22 : 16,138.71 = 9,729.06 : x
  2. Step 2: Convert to fraction form
    10,757.22/16,138.71 = 9,729.06/x
  3. Step 3: Cross multiply
    10,757.22x = 16,138.71 × 9,729.06
  4. Step 4: Simplify right side
    10,757.22x = 157,014,477.91
  5. Step 5: Solve for x
    x = 157,014,477.91/10,757.22
  6. Step 6: Final answer
    x = 14,596.19

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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.