Home / 10,968.56-16,452.83-5,129.27

Finding the Fourth Proportional to 10,968.56, 16,452.83 and 5,129.27

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Solution

The fourth proportional to 10,968.56, 16,452.83 and 5,129.27 is: 7,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.56 : 16,452.83 = 5,129.27 : x
  2. Step 2: Convert to fraction form
    10,968.56/16,452.83 = 5,129.27/x
  3. Step 3: Cross multiply
    10,968.56x = 16,452.83 × 5,129.27
  4. Step 4: Simplify right side
    10,968.56x = 84,390,937.89
  5. Step 5: Solve for x
    x = 84,390,937.89/10,968.56
  6. Step 6: Final answer
    x = 7,693.90

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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.