Home / 7,169.55-9,893.43-4,025.13

Finding the Fourth Proportional to 7,169.55, 9,893.43 and 4,025.13

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Solution

The fourth proportional to 7,169.55, 9,893.43 and 4,025.13 is: 5,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.55 : 9,893.43 = 4,025.13 : x
  2. Step 2: Convert to fraction form
    7,169.55/9,893.43 = 4,025.13/x
  3. Step 3: Cross multiply
    7,169.55x = 9,893.43 × 4,025.13
  4. Step 4: Simplify right side
    7,169.55x = 39,822,341.90
  5. Step 5: Solve for x
    x = 39,822,341.90/7,169.55
  6. Step 6: Final answer
    x = 5,554.37

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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.