Home / 10,755.12-16,134.58-4,912.32

Finding the Fourth Proportional to 10,755.12, 16,134.58 and 4,912.32

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Solution

The fourth proportional to 10,755.12, 16,134.58 and 4,912.32 is: 7,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.12 : 16,134.58 = 4,912.32 : x
  2. Step 2: Convert to fraction form
    10,755.12/16,134.58 = 4,912.32/x
  3. Step 3: Cross multiply
    10,755.12x = 16,134.58 × 4,912.32
  4. Step 4: Simplify right side
    10,755.12x = 79,258,220.03
  5. Step 5: Solve for x
    x = 79,258,220.03/10,755.12
  6. Step 6: Final answer
    x = 7,369.35

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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.