Home / 7,169.09-9,893.28-4,144.14

Finding the Fourth Proportional to 7,169.09, 9,893.28 and 4,144.14

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Solution

The fourth proportional to 7,169.09, 9,893.28 and 4,144.14 is: 5,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.09 : 9,893.28 = 4,144.14 : x
  2. Step 2: Convert to fraction form
    7,169.09/9,893.28 = 4,144.14/x
  3. Step 3: Cross multiply
    7,169.09x = 9,893.28 × 4,144.14
  4. Step 4: Simplify right side
    7,169.09x = 40,999,152.92
  5. Step 5: Solve for x
    x = 40,999,152.92/7,169.09
  6. Step 6: Final answer
    x = 5,718.88

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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.