Home / 36,872.06-55,308.31-9,170.06

Finding the Fourth Proportional to 36,872.06, 55,308.31 and 9,170.06

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Solution

The fourth proportional to 36,872.06, 55,308.31 and 9,170.06 is: 13,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.06 : 55,308.31 = 9,170.06 : x
  2. Step 2: Convert to fraction form
    36,872.06/55,308.31 = 9,170.06/x
  3. Step 3: Cross multiply
    36,872.06x = 55,308.31 × 9,170.06
  4. Step 4: Simplify right side
    36,872.06x = 507,180,521.20
  5. Step 5: Solve for x
    x = 507,180,521.20/36,872.06
  6. Step 6: Final answer
    x = 13,755.14

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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.