Home / 10,137.03-15,189.67-7,635.33

Finding the Fourth Proportional to 10,137.03, 15,189.67 and 7,635.33

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Solution

The fourth proportional to 10,137.03, 15,189.67 and 7,635.33 is: 11,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.03 : 15,189.67 = 7,635.33 : x
  2. Step 2: Convert to fraction form
    10,137.03/15,189.67 = 7,635.33/x
  3. Step 3: Cross multiply
    10,137.03x = 15,189.67 × 7,635.33
  4. Step 4: Simplify right side
    10,137.03x = 115,978,152.59
  5. Step 5: Solve for x
    x = 115,978,152.59/10,137.03
  6. Step 6: Final answer
    x = 11,441.04

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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.