Home / 10,429.75-15,644.63-3,504.25

Finding the Fourth Proportional to 10,429.75, 15,644.63 and 3,504.25

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Solution

The fourth proportional to 10,429.75, 15,644.63 and 3,504.25 is: 5,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.75 : 15,644.63 = 3,504.25 : x
  2. Step 2: Convert to fraction form
    10,429.75/15,644.63 = 3,504.25/x
  3. Step 3: Cross multiply
    10,429.75x = 15,644.63 × 3,504.25
  4. Step 4: Simplify right side
    10,429.75x = 54,822,694.68
  5. Step 5: Solve for x
    x = 54,822,694.68/10,429.75
  6. Step 6: Final answer
    x = 5,256.38

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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.