Home / 7,169.36-9,892.68-4,024.72

Finding the Fourth Proportional to 7,169.36, 9,892.68 and 4,024.72

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Solution

The fourth proportional to 7,169.36, 9,892.68 and 4,024.72 is: 5,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.36 : 9,892.68 = 4,024.72 : x
  2. Step 2: Convert to fraction form
    7,169.36/9,892.68 = 4,024.72/x
  3. Step 3: Cross multiply
    7,169.36x = 9,892.68 × 4,024.72
  4. Step 4: Simplify right side
    7,169.36x = 39,815,267.05
  5. Step 5: Solve for x
    x = 39,815,267.05/7,169.36
  6. Step 6: Final answer
    x = 5,553.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.