Home / 7,169.72-9,893.14-4,025.30

Finding the Fourth Proportional to 7,169.72, 9,893.14 and 4,025.30

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Solution

The fourth proportional to 7,169.72, 9,893.14 and 4,025.30 is: 5,554.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.72 : 9,893.14 = 4,025.30 : x
  2. Step 2: Convert to fraction form
    7,169.72/9,893.14 = 4,025.30/x
  3. Step 3: Cross multiply
    7,169.72x = 9,893.14 × 4,025.30
  4. Step 4: Simplify right side
    7,169.72x = 39,822,796.91
  5. Step 5: Solve for x
    x = 39,822,796.91/7,169.72
  6. Step 6: Final answer
    x = 5,554.31

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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.